Home / 28,041.24-42,069.42-9,324.30

Finding the Fourth Proportional to 28,041.24, 42,069.42 and 9,324.30

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Solution

The fourth proportional to 28,041.24, 42,069.42 and 9,324.30 is: 13,988.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,041.24 : 42,069.42 = 9,324.30 : x
  2. Step 2: Convert to fraction form
    28,041.24/42,069.42 = 9,324.30/x
  3. Step 3: Cross multiply
    28,041.24x = 42,069.42 × 9,324.30
  4. Step 4: Simplify right side
    28,041.24x = 392,267,892.91
  5. Step 5: Solve for x
    x = 392,267,892.91/28,041.24
  6. Step 6: Final answer
    x = 13,988.96

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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.