Home / 26,478.76-39,716.93-8,948.74

Finding the Fourth Proportional to 26,478.76, 39,716.93 and 8,948.74

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Solution

The fourth proportional to 26,478.76, 39,716.93 and 8,948.74 is: 13,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,478.76 : 39,716.93 = 8,948.74 : x
  2. Step 2: Convert to fraction form
    26,478.76/39,716.93 = 8,948.74/x
  3. Step 3: Cross multiply
    26,478.76x = 39,716.93 × 8,948.74
  4. Step 4: Simplify right side
    26,478.76x = 355,416,480.17
  5. Step 5: Solve for x
    x = 355,416,480.17/26,478.76
  6. Step 6: Final answer
    x = 13,422.70

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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.