Home / 25,854.37-38,781.55-7,386.37

Finding the Fourth Proportional to 25,854.37, 38,781.55 and 7,386.37

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Solution

The fourth proportional to 25,854.37, 38,781.55 and 7,386.37 is: 11,079.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,854.37 : 38,781.55 = 7,386.37 : x
  2. Step 2: Convert to fraction form
    25,854.37/38,781.55 = 7,386.37/x
  3. Step 3: Cross multiply
    25,854.37x = 38,781.55 × 7,386.37
  4. Step 4: Simplify right side
    25,854.37x = 286,454,665.10
  5. Step 5: Solve for x
    x = 286,454,665.10/25,854.37
  6. Step 6: Final answer
    x = 11,079.55

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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.