Home / 28,378.14-42,502.50-13,597.56

Finding the Fourth Proportional to 28,378.14, 42,502.50 and 13,597.56

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Solution

The fourth proportional to 28,378.14, 42,502.50 and 13,597.56 is: 20,365.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,378.14 : 42,502.50 = 13,597.56 : x
  2. Step 2: Convert to fraction form
    28,378.14/42,502.50 = 13,597.56/x
  3. Step 3: Cross multiply
    28,378.14x = 42,502.50 × 13,597.56
  4. Step 4: Simplify right side
    28,378.14x = 577,930,293.90
  5. Step 5: Solve for x
    x = 577,930,293.90/28,378.14
  6. Step 6: Final answer
    x = 20,365.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.