Home / 84,885.56-127,249.19-28,686.37

Finding the Fourth Proportional to 84,885.56, 127,249.19 and 28,686.37

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Solution

The fourth proportional to 84,885.56, 127,249.19 and 28,686.37 is: 43,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,885.56 : 127,249.19 = 28,686.37 : x
  2. Step 2: Convert to fraction form
    84,885.56/127,249.19 = 28,686.37/x
  3. Step 3: Cross multiply
    84,885.56x = 127,249.19 × 28,686.37
  4. Step 4: Simplify right side
    84,885.56x = 3,650,316,734.66
  5. Step 5: Solve for x
    x = 3,650,316,734.66/84,885.56
  6. Step 6: Final answer
    x = 43,002.80

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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.