Home / 84,888.06-127,252.94-28,688.87

Finding the Fourth Proportional to 84,888.06, 127,252.94 and 28,688.87

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Solution

The fourth proportional to 84,888.06, 127,252.94 and 28,688.87 is: 43,006.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,888.06 : 127,252.94 = 28,688.87 : x
  2. Step 2: Convert to fraction form
    84,888.06/127,252.94 = 28,688.87/x
  3. Step 3: Cross multiply
    84,888.06x = 127,252.94 × 28,688.87
  4. Step 4: Simplify right side
    84,888.06x = 3,650,743,052.78
  5. Step 5: Solve for x
    x = 3,650,743,052.78/84,888.06
  6. Step 6: Final answer
    x = 43,006.56

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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.