Home / 28,289.76-42,441.85-13,293.97

Finding the Fourth Proportional to 28,289.76, 42,441.85 and 13,293.97

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Solution

The fourth proportional to 28,289.76, 42,441.85 and 13,293.97 is: 19,944.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,289.76 : 42,441.85 = 13,293.97 : x
  2. Step 2: Convert to fraction form
    28,289.76/42,441.85 = 13,293.97/x
  3. Step 3: Cross multiply
    28,289.76x = 42,441.85 × 13,293.97
  4. Step 4: Simplify right side
    28,289.76x = 564,220,721.31
  5. Step 5: Solve for x
    x = 564,220,721.31/28,289.76
  6. Step 6: Final answer
    x = 19,944.34

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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.