Home / 84,947.70-127,437.60-28,024.86

Finding the Fourth Proportional to 84,947.70, 127,437.60 and 28,024.86

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Solution

The fourth proportional to 84,947.70, 127,437.60 and 28,024.86 is: 42,042.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,947.70 : 127,437.60 = 28,024.86 : x
  2. Step 2: Convert to fraction form
    84,947.70/127,437.60 = 28,024.86/x
  3. Step 3: Cross multiply
    84,947.70x = 127,437.60 × 28,024.86
  4. Step 4: Simplify right side
    84,947.70x = 3,571,420,898.74
  5. Step 5: Solve for x
    x = 3,571,420,898.74/84,947.70
  6. Step 6: Final answer
    x = 42,042.59

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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.