Home / 19,401.66-29,102.49-15,487.74

Finding the Fourth Proportional to 19,401.66, 29,102.49 and 15,487.74

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Solution

The fourth proportional to 19,401.66, 29,102.49 and 15,487.74 is: 23,231.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,401.66 : 29,102.49 = 15,487.74 : x
  2. Step 2: Convert to fraction form
    19,401.66/29,102.49 = 15,487.74/x
  3. Step 3: Cross multiply
    19,401.66x = 29,102.49 × 15,487.74
  4. Step 4: Simplify right side
    19,401.66x = 450,731,798.47
  5. Step 5: Solve for x
    x = 450,731,798.47/19,401.66
  6. Step 6: Final answer
    x = 23,231.61

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1.5x scale

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.