Home / 42,216.66-63,342-15,928.92

Finding the Fourth Proportional to 42,216.66, 63,342 and 15,928.92

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Solution

The fourth proportional to 42,216.66, 63,342 and 15,928.92 is: 23,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,216.66 : 63,342 = 15,928.92 : x
  2. Step 2: Convert to fraction form
    42,216.66/63,342 = 15,928.92/x
  3. Step 3: Cross multiply
    42,216.66x = 63,342 × 15,928.92
  4. Step 4: Simplify right side
    42,216.66x = 1,008,969,650.64
  5. Step 5: Solve for x
    x = 1,008,969,650.64/42,216.66
  6. Step 6: Final answer
    x = 23,899.80

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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.