Home / 38,385.80-57,583.56-15,009.20

Finding the Fourth Proportional to 38,385.80, 57,583.56 and 15,009.20

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Solution

The fourth proportional to 38,385.80, 57,583.56 and 15,009.20 is: 22,515.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,385.80 : 57,583.56 = 15,009.20 : x
  2. Step 2: Convert to fraction form
    38,385.80/57,583.56 = 15,009.20/x
  3. Step 3: Cross multiply
    38,385.80x = 57,583.56 × 15,009.20
  4. Step 4: Simplify right side
    38,385.80x = 864,283,068.63
  5. Step 5: Solve for x
    x = 864,283,068.63/38,385.80
  6. Step 6: Final answer
    x = 22,515.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.