Home / 20,535.24-30,815.10-8,848.20

Finding the Fourth Proportional to 20,535.24, 30,815.10 and 8,848.20

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Solution

The fourth proportional to 20,535.24, 30,815.10 and 8,848.20 is: 13,277.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,535.24 : 30,815.10 = 8,848.20 : x
  2. Step 2: Convert to fraction form
    20,535.24/30,815.10 = 8,848.20/x
  3. Step 3: Cross multiply
    20,535.24x = 30,815.10 × 8,848.20
  4. Step 4: Simplify right side
    20,535.24x = 272,658,167.82
  5. Step 5: Solve for x
    x = 272,658,167.82/20,535.24
  6. Step 6: Final answer
    x = 13,277.57

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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.