Home / 42,666.72-63,952.39-15,987.04

Finding the Fourth Proportional to 42,666.72, 63,952.39 and 15,987.04

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Solution

The fourth proportional to 42,666.72, 63,952.39 and 15,987.04 is: 23,962.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,666.72 : 63,952.39 = 15,987.04 : x
  2. Step 2: Convert to fraction form
    42,666.72/63,952.39 = 15,987.04/x
  3. Step 3: Cross multiply
    42,666.72x = 63,952.39 × 15,987.04
  4. Step 4: Simplify right side
    42,666.72x = 1,022,409,516.95
  5. Step 5: Solve for x
    x = 1,022,409,516.95/42,666.72
  6. Step 6: Final answer
    x = 23,962.69

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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.