Home / 25,358.22-35,011.50-15,801.90

Finding the Fourth Proportional to 25,358.22, 35,011.50 and 15,801.90

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Solution

The fourth proportional to 25,358.22, 35,011.50 and 15,801.90 is: 21,817.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,358.22 : 35,011.50 = 15,801.90 : x
  2. Step 2: Convert to fraction form
    25,358.22/35,011.50 = 15,801.90/x
  3. Step 3: Cross multiply
    25,358.22x = 35,011.50 × 15,801.90
  4. Step 4: Simplify right side
    25,358.22x = 553,248,221.85
  5. Step 5: Solve for x
    x = 553,248,221.85/25,358.22
  6. Step 6: Final answer
    x = 21,817.31

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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.