Home / 27,134.40-37,447.20-17,728.32

Finding the Fourth Proportional to 27,134.40, 37,447.20 and 17,728.32

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Solution

The fourth proportional to 27,134.40, 37,447.20 and 17,728.32 is: 24,466.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,134.40 : 37,447.20 = 17,728.32 : x
  2. Step 2: Convert to fraction form
    27,134.40/37,447.20 = 17,728.32/x
  3. Step 3: Cross multiply
    27,134.40x = 37,447.20 × 17,728.32
  4. Step 4: Simplify right side
    27,134.40x = 663,875,944.70
  5. Step 5: Solve for x
    x = 663,875,944.70/27,134.40
  6. Step 6: Final answer
    x = 24,466.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.