Home / 25,471.11-35,148.37-14,139.71

Finding the Fourth Proportional to 25,471.11, 35,148.37 and 14,139.71

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Solution

The fourth proportional to 25,471.11, 35,148.37 and 14,139.71 is: 19,511.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,471.11 : 35,148.37 = 14,139.71 : x
  2. Step 2: Convert to fraction form
    25,471.11/35,148.37 = 14,139.71/x
  3. Step 3: Cross multiply
    25,471.11x = 35,148.37 × 14,139.71
  4. Step 4: Simplify right side
    25,471.11x = 496,987,758.77
  5. Step 5: Solve for x
    x = 496,987,758.77/25,471.11
  6. Step 6: Final answer
    x = 19,511.82

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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.