Home / 25,479.40-35,163.78-14,151.08

Finding the Fourth Proportional to 25,479.40, 35,163.78 and 14,151.08

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Solution

The fourth proportional to 25,479.40, 35,163.78 and 14,151.08 is: 19,529.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,479.40 : 35,163.78 = 14,151.08 : x
  2. Step 2: Convert to fraction form
    25,479.40/35,163.78 = 14,151.08/x
  3. Step 3: Cross multiply
    25,479.40x = 35,163.78 × 14,151.08
  4. Step 4: Simplify right side
    25,479.40x = 497,605,463.88
  5. Step 5: Solve for x
    x = 497,605,463.88/25,479.40
  6. Step 6: Final answer
    x = 19,529.72

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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.