Home / 27,663.18-38,175.02-15,726.52

Finding the Fourth Proportional to 27,663.18, 38,175.02 and 15,726.52

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Solution

The fourth proportional to 27,663.18, 38,175.02 and 15,726.52 is: 21,702.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,663.18 : 38,175.02 = 15,726.52 : x
  2. Step 2: Convert to fraction form
    27,663.18/38,175.02 = 15,726.52/x
  3. Step 3: Cross multiply
    27,663.18x = 38,175.02 × 15,726.52
  4. Step 4: Simplify right side
    27,663.18x = 600,360,215.53
  5. Step 5: Solve for x
    x = 600,360,215.53/27,663.18
  6. Step 6: Final answer
    x = 21,702.50

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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.