Home / 22,921.52-34,423.18-18,769.46

Finding the Fourth Proportional to 22,921.52, 34,423.18 and 18,769.46

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Solution

The fourth proportional to 22,921.52, 34,423.18 and 18,769.46 is: 28,187.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,921.52 : 34,423.18 = 18,769.46 : x
  2. Step 2: Convert to fraction form
    22,921.52/34,423.18 = 18,769.46/x
  3. Step 3: Cross multiply
    22,921.52x = 34,423.18 × 18,769.46
  4. Step 4: Simplify right side
    22,921.52x = 646,104,500.08
  5. Step 5: Solve for x
    x = 646,104,500.08/22,921.52
  6. Step 6: Final answer
    x = 28,187.68

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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.