Home / 15,027.40-22,540.56-4,639.15

Finding the Fourth Proportional to 15,027.40, 22,540.56 and 4,639.15

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Solution

The fourth proportional to 15,027.40, 22,540.56 and 4,639.15 is: 6,958.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027.40 : 22,540.56 = 4,639.15 : x
  2. Step 2: Convert to fraction form
    15,027.40/22,540.56 = 4,639.15/x
  3. Step 3: Cross multiply
    15,027.40x = 22,540.56 × 4,639.15
  4. Step 4: Simplify right side
    15,027.40x = 104,569,038.92
  5. Step 5: Solve for x
    x = 104,569,038.92/15,027.40
  6. Step 6: Final answer
    x = 6,958.56

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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.