Home / 28,364.28-39,117.24-17,754.90

Finding the Fourth Proportional to 28,364.28, 39,117.24 and 17,754.90

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Solution

The fourth proportional to 28,364.28, 39,117.24 and 17,754.90 is: 24,485.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,364.28 : 39,117.24 = 17,754.90 : x
  2. Step 2: Convert to fraction form
    28,364.28/39,117.24 = 17,754.90/x
  3. Step 3: Cross multiply
    28,364.28x = 39,117.24 × 17,754.90
  4. Step 4: Simplify right side
    28,364.28x = 694,522,684.48
  5. Step 5: Solve for x
    x = 694,522,684.48/28,364.28
  6. Step 6: Final answer
    x = 24,485.82

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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.