Home / 25,990.24-35,857.20-14,805.76

Finding the Fourth Proportional to 25,990.24, 35,857.20 and 14,805.76

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Solution

The fourth proportional to 25,990.24, 35,857.20 and 14,805.76 is: 20,426.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,990.24 : 35,857.20 = 14,805.76 : x
  2. Step 2: Convert to fraction form
    25,990.24/35,857.20 = 14,805.76/x
  3. Step 3: Cross multiply
    25,990.24x = 35,857.20 × 14,805.76
  4. Step 4: Simplify right side
    25,990.24x = 530,893,097.47
  5. Step 5: Solve for x
    x = 530,893,097.47/25,990.24
  6. Step 6: Final answer
    x = 20,426.63

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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.