Home / 20,525.40-30,788.10-14,948.55

Finding the Fourth Proportional to 20,525.40, 30,788.10 and 14,948.55

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Solution

The fourth proportional to 20,525.40, 30,788.10 and 14,948.55 is: 22,422.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,525.40 : 30,788.10 = 14,948.55 : x
  2. Step 2: Convert to fraction form
    20,525.40/30,788.10 = 14,948.55/x
  3. Step 3: Cross multiply
    20,525.40x = 30,788.10 × 14,948.55
  4. Step 4: Simplify right side
    20,525.40x = 460,237,452.26
  5. Step 5: Solve for x
    x = 460,237,452.26/20,525.40
  6. Step 6: Final answer
    x = 22,422.83

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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.