Home / 84,567.18-126,870.24-25,404

Finding the Fourth Proportional to 84,567.18, 126,870.24 and 25,404

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Solution

The fourth proportional to 84,567.18, 126,870.24 and 25,404 is: 38,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,567.18 : 126,870.24 = 25,404 : x
  2. Step 2: Convert to fraction form
    84,567.18/126,870.24 = 25,404/x
  3. Step 3: Cross multiply
    84,567.18x = 126,870.24 × 25,404
  4. Step 4: Simplify right side
    84,567.18x = 3,223,011,576.96
  5. Step 5: Solve for x
    x = 3,223,011,576.96/84,567.18
  6. Step 6: Final answer
    x = 38,111.85

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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.