Home / 84,886.31-127,250.32-28,687.12

Finding the Fourth Proportional to 84,886.31, 127,250.32 and 28,687.12

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Solution

The fourth proportional to 84,886.31, 127,250.32 and 28,687.12 is: 43,003.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,886.31 : 127,250.32 = 28,687.12 : x
  2. Step 2: Convert to fraction form
    84,886.31/127,250.32 = 28,687.12/x
  3. Step 3: Cross multiply
    84,886.31x = 127,250.32 × 28,687.12
  4. Step 4: Simplify right side
    84,886.31x = 3,650,444,810.03
  5. Step 5: Solve for x
    x = 3,650,444,810.03/84,886.31
  6. Step 6: Final answer
    x = 43,003.93

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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.