Home / 25,145.11-37,722.27-8,279.08

Finding the Fourth Proportional to 25,145.11, 37,722.27 and 8,279.08

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Solution

The fourth proportional to 25,145.11, 37,722.27 and 8,279.08 is: 12,420.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,145.11 : 37,722.27 = 8,279.08 : x
  2. Step 2: Convert to fraction form
    25,145.11/37,722.27 = 8,279.08/x
  3. Step 3: Cross multiply
    25,145.11x = 37,722.27 × 8,279.08
  4. Step 4: Simplify right side
    25,145.11x = 312,305,502.50
  5. Step 5: Solve for x
    x = 312,305,502.50/25,145.11
  6. Step 6: Final answer
    x = 12,420.13

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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.