Home / 20,007.60-29,971.80-17,545.20

Finding the Fourth Proportional to 20,007.60, 29,971.80 and 17,545.20

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Solution

The fourth proportional to 20,007.60, 29,971.80 and 17,545.20 is: 26,283.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,007.60 : 29,971.80 = 17,545.20 : x
  2. Step 2: Convert to fraction form
    20,007.60/29,971.80 = 17,545.20/x
  3. Step 3: Cross multiply
    20,007.60x = 29,971.80 × 17,545.20
  4. Step 4: Simplify right side
    20,007.60x = 525,861,225.36
  5. Step 5: Solve for x
    x = 525,861,225.36/20,007.60
  6. Step 6: Final answer
    x = 26,283.07

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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.