Home / 25,518.28-38,283.42-7,748.68

Finding the Fourth Proportional to 25,518.28, 38,283.42 and 7,748.68

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Solution

The fourth proportional to 25,518.28, 38,283.42 and 7,748.68 is: 11,624.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,518.28 : 38,283.42 = 7,748.68 : x
  2. Step 2: Convert to fraction form
    25,518.28/38,283.42 = 7,748.68/x
  3. Step 3: Cross multiply
    25,518.28x = 38,283.42 × 7,748.68
  4. Step 4: Simplify right side
    25,518.28x = 296,645,970.89
  5. Step 5: Solve for x
    x = 296,645,970.89/25,518.28
  6. Step 6: Final answer
    x = 11,624.84

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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.