Home / 21,719.92-32,585.70-9,240.52

Finding the Fourth Proportional to 21,719.92, 32,585.70 and 9,240.52

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Solution

The fourth proportional to 21,719.92, 32,585.70 and 9,240.52 is: 13,863.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,719.92 : 32,585.70 = 9,240.52 : x
  2. Step 2: Convert to fraction form
    21,719.92/32,585.70 = 9,240.52/x
  3. Step 3: Cross multiply
    21,719.92x = 32,585.70 × 9,240.52
  4. Step 4: Simplify right side
    21,719.92x = 301,108,812.56
  5. Step 5: Solve for x
    x = 301,108,812.56/21,719.92
  6. Step 6: Final answer
    x = 13,863.26

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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.