Home / 62,128.86-93,193.28-15,381.74

Finding the Fourth Proportional to 62,128.86, 93,193.28 and 15,381.74

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Solution

The fourth proportional to 62,128.86, 93,193.28 and 15,381.74 is: 23,072.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,128.86 : 93,193.28 = 15,381.74 : x
  2. Step 2: Convert to fraction form
    62,128.86/93,193.28 = 15,381.74/x
  3. Step 3: Cross multiply
    62,128.86x = 93,193.28 × 15,381.74
  4. Step 4: Simplify right side
    62,128.86x = 1,433,474,802.71
  5. Step 5: Solve for x
    x = 1,433,474,802.71/62,128.86
  6. Step 6: Final answer
    x = 23,072.61

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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.