Home / 84,839.00-127,237.47-28,677.86

Finding the Fourth Proportional to 84,839.00, 127,237.47 and 28,677.86

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Solution

The fourth proportional to 84,839.00, 127,237.47 and 28,677.86 is: 43,009.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,839.00 : 127,237.47 = 28,677.86 : x
  2. Step 2: Convert to fraction form
    84,839.00/127,237.47 = 28,677.86/x
  3. Step 3: Cross multiply
    84,839.00x = 127,237.47 × 28,677.86
  4. Step 4: Simplify right side
    84,839.00x = 3,648,897,715.23
  5. Step 5: Solve for x
    x = 3,648,897,715.23/84,839.00
  6. Step 6: Final answer
    x = 43,009.68

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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.