Home / 27,564.03-38,026.08-18,367.65

Finding the Fourth Proportional to 27,564.03, 38,026.08 and 18,367.65

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Solution

The fourth proportional to 27,564.03, 38,026.08 and 18,367.65 is: 25,339.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,564.03 : 38,026.08 = 18,367.65 : x
  2. Step 2: Convert to fraction form
    27,564.03/38,026.08 = 18,367.65/x
  3. Step 3: Cross multiply
    27,564.03x = 38,026.08 × 18,367.65
  4. Step 4: Simplify right side
    27,564.03x = 698,449,728.31
  5. Step 5: Solve for x
    x = 698,449,728.31/27,564.03
  6. Step 6: Final answer
    x = 25,339.17

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Half scale
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Double scale
Find fourth proportional to 27,565.03, 38,027.46 and 18,368.65
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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.