Home / 25,585.12-38,377.86-8,945.08

Finding the Fourth Proportional to 25,585.12, 38,377.86 and 8,945.08

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Solution

The fourth proportional to 25,585.12, 38,377.86 and 8,945.08 is: 13,417.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,585.12 : 38,377.86 = 8,945.08 : x
  2. Step 2: Convert to fraction form
    25,585.12/38,377.86 = 8,945.08/x
  3. Step 3: Cross multiply
    25,585.12x = 38,377.86 × 8,945.08
  4. Step 4: Simplify right side
    25,585.12x = 343,293,027.93
  5. Step 5: Solve for x
    x = 343,293,027.93/25,585.12
  6. Step 6: Final answer
    x = 13,417.68

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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.