Home / 25,555.04-38,281.52-20,298.95

Finding the Fourth Proportional to 25,555.04, 38,281.52 and 20,298.95

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Solution

The fourth proportional to 25,555.04, 38,281.52 and 20,298.95 is: 30,407.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,555.04 : 38,281.52 = 20,298.95 : x
  2. Step 2: Convert to fraction form
    25,555.04/38,281.52 = 20,298.95/x
  3. Step 3: Cross multiply
    25,555.04x = 38,281.52 × 20,298.95
  4. Step 4: Simplify right side
    25,555.04x = 777,074,519.74
  5. Step 5: Solve for x
    x = 777,074,519.74/25,555.04
  6. Step 6: Final answer
    x = 30,407.88

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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.