Home / 25,417.61-35,072.21-15,979.49

Finding the Fourth Proportional to 25,417.61, 35,072.21 and 15,979.49

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Solution

The fourth proportional to 25,417.61, 35,072.21 and 15,979.49 is: 22,049.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,417.61 : 35,072.21 = 15,979.49 : x
  2. Step 2: Convert to fraction form
    25,417.61/35,072.21 = 15,979.49/x
  3. Step 3: Cross multiply
    25,417.61x = 35,072.21 × 15,979.49
  4. Step 4: Simplify right side
    25,417.61x = 560,435,773.71
  5. Step 5: Solve for x
    x = 560,435,773.71/25,417.61
  6. Step 6: Final answer
    x = 22,049.12

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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.