Home / 28,527.78-42,756.03-13,732.74

Finding the Fourth Proportional to 28,527.78, 42,756.03 and 13,732.74

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Solution

The fourth proportional to 28,527.78, 42,756.03 and 13,732.74 is: 20,581.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,527.78 : 42,756.03 = 13,732.74 : x
  2. Step 2: Convert to fraction form
    28,527.78/42,756.03 = 13,732.74/x
  3. Step 3: Cross multiply
    28,527.78x = 42,756.03 × 13,732.74
  4. Step 4: Simplify right side
    28,527.78x = 587,157,443.42
  5. Step 5: Solve for x
    x = 587,157,443.42/28,527.78
  6. Step 6: Final answer
    x = 20,581.95

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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.