Home / 28,312.20-42,468.30-25,493.40

Finding the Fourth Proportional to 28,312.20, 42,468.30 and 25,493.40

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Solution

The fourth proportional to 28,312.20, 42,468.30 and 25,493.40 is: 38,240.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,312.20 : 42,468.30 = 25,493.40 : x
  2. Step 2: Convert to fraction form
    28,312.20/42,468.30 = 25,493.40/x
  3. Step 3: Cross multiply
    28,312.20x = 42,468.30 × 25,493.40
  4. Step 4: Simplify right side
    28,312.20x = 1,082,661,359.22
  5. Step 5: Solve for x
    x = 1,082,661,359.22/28,312.20
  6. Step 6: Final answer
    x = 38,240.10

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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.