Home / 42,307.14-63,393.96-15,616.40

Finding the Fourth Proportional to 42,307.14, 63,393.96 and 15,616.40

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Solution

The fourth proportional to 42,307.14, 63,393.96 and 15,616.40 is: 23,399.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,307.14 : 63,393.96 = 15,616.40 : x
  2. Step 2: Convert to fraction form
    42,307.14/63,393.96 = 15,616.40/x
  3. Step 3: Cross multiply
    42,307.14x = 63,393.96 × 15,616.40
  4. Step 4: Simplify right side
    42,307.14x = 989,985,436.94
  5. Step 5: Solve for x
    x = 989,985,436.94/42,307.14
  6. Step 6: Final answer
    x = 23,399.96

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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.