Home / 26,928.87-40,411.75-9,398.70

Finding the Fourth Proportional to 26,928.87, 40,411.75 and 9,398.70

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Solution

The fourth proportional to 26,928.87, 40,411.75 and 9,398.70 is: 14,104.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,928.87 : 40,411.75 = 9,398.70 : x
  2. Step 2: Convert to fraction form
    26,928.87/40,411.75 = 9,398.70/x
  3. Step 3: Cross multiply
    26,928.87x = 40,411.75 × 9,398.70
  4. Step 4: Simplify right side
    26,928.87x = 379,817,712.67
  5. Step 5: Solve for x
    x = 379,817,712.67/26,928.87
  6. Step 6: Final answer
    x = 14,104.48

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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.