Home / 27,663.61-38,175.60-15,726.95

Finding the Fourth Proportional to 27,663.61, 38,175.60 and 15,726.95

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Solution

The fourth proportional to 27,663.61, 38,175.60 and 15,726.95 is: 21,703.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,663.61 : 38,175.60 = 15,726.95 : x
  2. Step 2: Convert to fraction form
    27,663.61/38,175.60 = 15,726.95/x
  3. Step 3: Cross multiply
    27,663.61x = 38,175.60 × 15,726.95
  4. Step 4: Simplify right side
    27,663.61x = 600,385,482.91
  5. Step 5: Solve for x
    x = 600,385,482.91/27,663.61
  6. Step 6: Final answer
    x = 21,703.08

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Half scale
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Double scale
Find fourth proportional to 27,664.61, 38,176.97 and 15,727.95
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.