Home / 26,880.95-40,331.28-9,355.79

Finding the Fourth Proportional to 26,880.95, 40,331.28 and 9,355.79

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Solution

The fourth proportional to 26,880.95, 40,331.28 and 9,355.79 is: 14,037.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,880.95 : 40,331.28 = 9,355.79 : x
  2. Step 2: Convert to fraction form
    26,880.95/40,331.28 = 9,355.79/x
  3. Step 3: Cross multiply
    26,880.95x = 40,331.28 × 9,355.79
  4. Step 4: Simplify right side
    26,880.95x = 377,330,784.45
  5. Step 5: Solve for x
    x = 377,330,784.45/26,880.95
  6. Step 6: Final answer
    x = 14,037.11

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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.