Home / 16,979.40-25,332.84-15,108.30

Finding the Fourth Proportional to 16,979.40, 25,332.84 and 15,108.30

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Solution

The fourth proportional to 16,979.40, 25,332.84 and 15,108.30 is: 22,541.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,979.40 : 25,332.84 = 15,108.30 : x
  2. Step 2: Convert to fraction form
    16,979.40/25,332.84 = 15,108.30/x
  3. Step 3: Cross multiply
    16,979.40x = 25,332.84 × 15,108.30
  4. Step 4: Simplify right side
    16,979.40x = 382,736,146.57
  5. Step 5: Solve for x
    x = 382,736,146.57/16,979.40
  6. Step 6: Final answer
    x = 22,541.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.