Home / 25,487.76-35,172.54-14,156.62

Finding the Fourth Proportional to 25,487.76, 35,172.54 and 14,156.62

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Solution

The fourth proportional to 25,487.76, 35,172.54 and 14,156.62 is: 19,535.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487.76 : 35,172.54 = 14,156.62 : x
  2. Step 2: Convert to fraction form
    25,487.76/35,172.54 = 14,156.62/x
  3. Step 3: Cross multiply
    25,487.76x = 35,172.54 × 14,156.62
  4. Step 4: Simplify right side
    25,487.76x = 497,924,283.21
  5. Step 5: Solve for x
    x = 497,924,283.21/25,487.76
  6. Step 6: Final answer
    x = 19,535.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.