Home / 23,328.70-32,168.17-15,761.89

Finding the Fourth Proportional to 23,328.70, 32,168.17 and 15,761.89

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Solution

The fourth proportional to 23,328.70, 32,168.17 and 15,761.89 is: 21,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,328.70 : 32,168.17 = 15,761.89 : x
  2. Step 2: Convert to fraction form
    23,328.70/32,168.17 = 15,761.89/x
  3. Step 3: Cross multiply
    23,328.70x = 32,168.17 × 15,761.89
  4. Step 4: Simplify right side
    23,328.70x = 507,031,157.04
  5. Step 5: Solve for x
    x = 507,031,157.04/23,328.70
  6. Step 6: Final answer
    x = 21,734.22

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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.