Home / 38,577.56-57,888.18-15,220.40

Finding the Fourth Proportional to 38,577.56, 57,888.18 and 15,220.40

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Solution

The fourth proportional to 38,577.56, 57,888.18 and 15,220.40 is: 22,839.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,577.56 : 57,888.18 = 15,220.40 : x
  2. Step 2: Convert to fraction form
    38,577.56/57,888.18 = 15,220.40/x
  3. Step 3: Cross multiply
    38,577.56x = 57,888.18 × 15,220.40
  4. Step 4: Simplify right side
    38,577.56x = 881,080,965.43
  5. Step 5: Solve for x
    x = 881,080,965.43/38,577.56
  6. Step 6: Final answer
    x = 22,839.21

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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.