Home / 42,656.78-63,992.68-14,570.26

Finding the Fourth Proportional to 42,656.78, 63,992.68 and 14,570.26

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Solution

The fourth proportional to 42,656.78, 63,992.68 and 14,570.26 is: 21,857.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,656.78 : 63,992.68 = 14,570.26 : x
  2. Step 2: Convert to fraction form
    42,656.78/63,992.68 = 14,570.26/x
  3. Step 3: Cross multiply
    42,656.78x = 63,992.68 × 14,570.26
  4. Step 4: Simplify right side
    42,656.78x = 932,389,985.70
  5. Step 5: Solve for x
    x = 932,389,985.70/42,656.78
  6. Step 6: Final answer
    x = 21,857.96

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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.