Home / 26,987.16-40,480.78-7,267.70

Finding the Fourth Proportional to 26,987.16, 40,480.78 and 7,267.70

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Solution

The fourth proportional to 26,987.16, 40,480.78 and 7,267.70 is: 10,901.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,987.16 : 40,480.78 = 7,267.70 : x
  2. Step 2: Convert to fraction form
    26,987.16/40,480.78 = 7,267.70/x
  3. Step 3: Cross multiply
    26,987.16x = 40,480.78 × 7,267.70
  4. Step 4: Simplify right side
    26,987.16x = 294,202,164.81
  5. Step 5: Solve for x
    x = 294,202,164.81/26,987.16
  6. Step 6: Final answer
    x = 10,901.56

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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.