Home / 28,497.40-42,758.39-15,347.14

Finding the Fourth Proportional to 28,497.40, 42,758.39 and 15,347.14

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Solution

The fourth proportional to 28,497.40, 42,758.39 and 15,347.14 is: 23,027.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,497.40 : 42,758.39 = 15,347.14 : x
  2. Step 2: Convert to fraction form
    28,497.40/42,758.39 = 15,347.14/x
  3. Step 3: Cross multiply
    28,497.40x = 42,758.39 × 15,347.14
  4. Step 4: Simplify right side
    28,497.40x = 656,218,928.98
  5. Step 5: Solve for x
    x = 656,218,928.98/28,497.40
  6. Step 6: Final answer
    x = 23,027.33

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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.