Home / 25,754.38-38,807.07-21,176.93

Finding the Fourth Proportional to 25,754.38, 38,807.07 and 21,176.93

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Solution

The fourth proportional to 25,754.38, 38,807.07 and 21,176.93 is: 31,909.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,754.38 : 38,807.07 = 21,176.93 : x
  2. Step 2: Convert to fraction form
    25,754.38/38,807.07 = 21,176.93/x
  3. Step 3: Cross multiply
    25,754.38x = 38,807.07 × 21,176.93
  4. Step 4: Simplify right side
    25,754.38x = 821,814,622.50
  5. Step 5: Solve for x
    x = 821,814,622.50/25,754.38
  6. Step 6: Final answer
    x = 31,909.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.