Home / 21,988.34-32,861.76-16,077.66

Finding the Fourth Proportional to 21,988.34, 32,861.76 and 16,077.66

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Solution

The fourth proportional to 21,988.34, 32,861.76 and 16,077.66 is: 24,028.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,988.34 : 32,861.76 = 16,077.66 : x
  2. Step 2: Convert to fraction form
    21,988.34/32,861.76 = 16,077.66/x
  3. Step 3: Cross multiply
    21,988.34x = 32,861.76 × 16,077.66
  4. Step 4: Simplify right side
    21,988.34x = 528,340,204.28
  5. Step 5: Solve for x
    x = 528,340,204.28/21,988.34
  6. Step 6: Final answer
    x = 24,028.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.