Home / 38,385.88-57,570.86-10,299.28

Finding the Fourth Proportional to 38,385.88, 57,570.86 and 10,299.28

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Solution

The fourth proportional to 38,385.88, 57,570.86 and 10,299.28 is: 15,446.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,385.88 : 57,570.86 = 10,299.28 : x
  2. Step 2: Convert to fraction form
    38,385.88/57,570.86 = 10,299.28/x
  3. Step 3: Cross multiply
    38,385.88x = 57,570.86 × 10,299.28
  4. Step 4: Simplify right side
    38,385.88x = 592,938,406.98
  5. Step 5: Solve for x
    x = 592,938,406.98/38,385.88
  6. Step 6: Final answer
    x = 15,446.78

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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.