Home / 42,428.88-63,643.32-16,127.46

Finding the Fourth Proportional to 42,428.88, 63,643.32 and 16,127.46

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Solution

The fourth proportional to 42,428.88, 63,643.32 and 16,127.46 is: 24,191.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,428.88 : 63,643.32 = 16,127.46 : x
  2. Step 2: Convert to fraction form
    42,428.88/63,643.32 = 16,127.46/x
  3. Step 3: Cross multiply
    42,428.88x = 63,643.32 × 16,127.46
  4. Step 4: Simplify right side
    42,428.88x = 1,026,405,097.57
  5. Step 5: Solve for x
    x = 1,026,405,097.57/42,428.88
  6. Step 6: Final answer
    x = 24,191.19

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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.