Home / 21,766.20-32,649.16-10,508.40

Finding the Fourth Proportional to 21,766.20, 32,649.16 and 10,508.40

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Solution

The fourth proportional to 21,766.20, 32,649.16 and 10,508.40 is: 15,762.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,766.20 : 32,649.16 = 10,508.40 : x
  2. Step 2: Convert to fraction form
    21,766.20/32,649.16 = 10,508.40/x
  3. Step 3: Cross multiply
    21,766.20x = 32,649.16 × 10,508.40
  4. Step 4: Simplify right side
    21,766.20x = 343,090,432.94
  5. Step 5: Solve for x
    x = 343,090,432.94/21,766.20
  6. Step 6: Final answer
    x = 15,762.53

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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.