Home / 28,593-42,904.13-13,617.06

Finding the Fourth Proportional to 28,593, 42,904.13 and 13,617.06

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Solution

The fourth proportional to 28,593, 42,904.13 and 13,617.06 is: 20,432.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,593 : 42,904.13 = 13,617.06 : x
  2. Step 2: Convert to fraction form
    28,593/42,904.13 = 13,617.06/x
  3. Step 3: Cross multiply
    28,593x = 42,904.13 × 13,617.06
  4. Step 4: Simplify right side
    28,593x = 584,228,112.46
  5. Step 5: Solve for x
    x = 584,228,112.46/28,593
  6. Step 6: Final answer
    x = 20,432.56

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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.