Home / 21,391.50-32,065.92-10,295.04

Finding the Fourth Proportional to 21,391.50, 32,065.92 and 10,295.04

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Solution

The fourth proportional to 21,391.50, 32,065.92 and 10,295.04 is: 15,432.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,391.50 : 32,065.92 = 10,295.04 : x
  2. Step 2: Convert to fraction form
    21,391.50/32,065.92 = 10,295.04/x
  3. Step 3: Cross multiply
    21,391.50x = 32,065.92 × 10,295.04
  4. Step 4: Simplify right side
    21,391.50x = 330,119,929.04
  5. Step 5: Solve for x
    x = 330,119,929.04/21,391.50
  6. Step 6: Final answer
    x = 15,432.29

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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.