Home / 26,485.28-39,733.12-8,960.16

Finding the Fourth Proportional to 26,485.28, 39,733.12 and 8,960.16

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Solution

The fourth proportional to 26,485.28, 39,733.12 and 8,960.16 is: 13,442.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,485.28 : 39,733.12 = 8,960.16 : x
  2. Step 2: Convert to fraction form
    26,485.28/39,733.12 = 8,960.16/x
  3. Step 3: Cross multiply
    26,485.28x = 39,733.12 × 8,960.16
  4. Step 4: Simplify right side
    26,485.28x = 356,015,112.50
  5. Step 5: Solve for x
    x = 356,015,112.50/26,485.28
  6. Step 6: Final answer
    x = 13,442.00

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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.