Home / 26,605.60-39,908.40-9,095.20

Finding the Fourth Proportional to 26,605.60, 39,908.40 and 9,095.20

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Solution

The fourth proportional to 26,605.60, 39,908.40 and 9,095.20 is: 13,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,605.60 : 39,908.40 = 9,095.20 : x
  2. Step 2: Convert to fraction form
    26,605.60/39,908.40 = 9,095.20/x
  3. Step 3: Cross multiply
    26,605.60x = 39,908.40 × 9,095.20
  4. Step 4: Simplify right side
    26,605.60x = 362,974,879.68
  5. Step 5: Solve for x
    x = 362,974,879.68/26,605.60
  6. Step 6: Final answer
    x = 13,642.80

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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.