Home / 25,059.36-34,503.12-20,359.20

Finding the Fourth Proportional to 25,059.36, 34,503.12 and 20,359.20

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Solution

The fourth proportional to 25,059.36, 34,503.12 and 20,359.20 is: 28,031.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,059.36 : 34,503.12 = 20,359.20 : x
  2. Step 2: Convert to fraction form
    25,059.36/34,503.12 = 20,359.20/x
  3. Step 3: Cross multiply
    25,059.36x = 34,503.12 × 20,359.20
  4. Step 4: Simplify right side
    25,059.36x = 702,455,920.70
  5. Step 5: Solve for x
    x = 702,455,920.70/25,059.36
  6. Step 6: Final answer
    x = 28,031.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.