Home / 84,829.60-127,228.20-25,667.20

Finding the Fourth Proportional to 84,829.60, 127,228.20 and 25,667.20

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Solution

The fourth proportional to 84,829.60, 127,228.20 and 25,667.20 is: 38,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,829.60 : 127,228.20 = 25,667.20 : x
  2. Step 2: Convert to fraction form
    84,829.60/127,228.20 = 25,667.20/x
  3. Step 3: Cross multiply
    84,829.60x = 127,228.20 × 25,667.20
  4. Step 4: Simplify right side
    84,829.60x = 3,265,591,655.04
  5. Step 5: Solve for x
    x = 3,265,591,655.04/84,829.60
  6. Step 6: Final answer
    x = 38,495.90

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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.