Home / 42,370.34-63,535.77-15,715.26

Finding the Fourth Proportional to 42,370.34, 63,535.77 and 15,715.26

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Solution

The fourth proportional to 42,370.34, 63,535.77 and 15,715.26 is: 23,565.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,370.34 : 63,535.77 = 15,715.26 : x
  2. Step 2: Convert to fraction form
    42,370.34/63,535.77 = 15,715.26/x
  3. Step 3: Cross multiply
    42,370.34x = 63,535.77 × 15,715.26
  4. Step 4: Simplify right side
    42,370.34x = 998,481,144.85
  5. Step 5: Solve for x
    x = 998,481,144.85/42,370.34
  6. Step 6: Final answer
    x = 23,565.57

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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.