Home / 25,280.52-34,884.72-13,947.32

Finding the Fourth Proportional to 25,280.52, 34,884.72 and 13,947.32

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Solution

The fourth proportional to 25,280.52, 34,884.72 and 13,947.32 is: 19,245.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,280.52 : 34,884.72 = 13,947.32 : x
  2. Step 2: Convert to fraction form
    25,280.52/34,884.72 = 13,947.32/x
  3. Step 3: Cross multiply
    25,280.52x = 34,884.72 × 13,947.32
  4. Step 4: Simplify right side
    25,280.52x = 486,548,178.53
  5. Step 5: Solve for x
    x = 486,548,178.53/25,280.52
  6. Step 6: Final answer
    x = 19,245.97

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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.