Home / 42,027.48-63,073.98-15,739.74

Finding the Fourth Proportional to 42,027.48, 63,073.98 and 15,739.74

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Solution

The fourth proportional to 42,027.48, 63,073.98 and 15,739.74 is: 23,621.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,027.48 : 63,073.98 = 15,739.74 : x
  2. Step 2: Convert to fraction form
    42,027.48/63,073.98 = 15,739.74/x
  3. Step 3: Cross multiply
    42,027.48x = 63,073.98 × 15,739.74
  4. Step 4: Simplify right side
    42,027.48x = 992,768,045.97
  5. Step 5: Solve for x
    x = 992,768,045.97/42,027.48
  6. Step 6: Final answer
    x = 23,621.88

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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.