Home / 25,723.12-35,498.12-15,112.92

Finding the Fourth Proportional to 25,723.12, 35,498.12 and 15,112.92

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Solution

The fourth proportional to 25,723.12, 35,498.12 and 15,112.92 is: 20,855.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,723.12 : 35,498.12 = 15,112.92 : x
  2. Step 2: Convert to fraction form
    25,723.12/35,498.12 = 15,112.92/x
  3. Step 3: Cross multiply
    25,723.12x = 35,498.12 × 15,112.92
  4. Step 4: Simplify right side
    25,723.12x = 536,480,247.71
  5. Step 5: Solve for x
    x = 536,480,247.71/25,723.12
  6. Step 6: Final answer
    x = 20,855.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.