Home / 25,854.51-38,781.92-9,215.19

Finding the Fourth Proportional to 25,854.51, 38,781.92 and 9,215.19

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Solution

The fourth proportional to 25,854.51, 38,781.92 and 9,215.19 is: 13,822.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,854.51 : 38,781.92 = 9,215.19 : x
  2. Step 2: Convert to fraction form
    25,854.51/38,781.92 = 9,215.19/x
  3. Step 3: Cross multiply
    25,854.51x = 38,781.92 × 9,215.19
  4. Step 4: Simplify right side
    25,854.51x = 357,382,761.36
  5. Step 5: Solve for x
    x = 357,382,761.36/25,854.51
  6. Step 6: Final answer
    x = 13,822.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.