Home / 23,478.60-32,401.28-13,404.90

Finding the Fourth Proportional to 23,478.60, 32,401.28 and 13,404.90

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Solution

The fourth proportional to 23,478.60, 32,401.28 and 13,404.90 is: 18,499.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,478.60 : 32,401.28 = 13,404.90 : x
  2. Step 2: Convert to fraction form
    23,478.60/32,401.28 = 13,404.90/x
  3. Step 3: Cross multiply
    23,478.60x = 32,401.28 × 13,404.90
  4. Step 4: Simplify right side
    23,478.60x = 434,335,918.27
  5. Step 5: Solve for x
    x = 434,335,918.27/23,478.60
  6. Step 6: Final answer
    x = 18,499.23

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1.5x scale

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.