Home / 42,774.24-64,115.28-16,471.20

Finding the Fourth Proportional to 42,774.24, 64,115.28 and 16,471.20

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Solution

The fourth proportional to 42,774.24, 64,115.28 and 16,471.20 is: 24,689.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,774.24 : 64,115.28 = 16,471.20 : x
  2. Step 2: Convert to fraction form
    42,774.24/64,115.28 = 16,471.20/x
  3. Step 3: Cross multiply
    42,774.24x = 64,115.28 × 16,471.20
  4. Step 4: Simplify right side
    42,774.24x = 1,056,055,599.94
  5. Step 5: Solve for x
    x = 1,056,055,599.94/42,774.24
  6. Step 6: Final answer
    x = 24,689.06

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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.