Home / 26,223.76-36,189.20-14,287.12

Finding the Fourth Proportional to 26,223.76, 36,189.20 and 14,287.12

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Solution

The fourth proportional to 26,223.76, 36,189.20 and 14,287.12 is: 19,716.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,223.76 : 36,189.20 = 14,287.12 : x
  2. Step 2: Convert to fraction form
    26,223.76/36,189.20 = 14,287.12/x
  3. Step 3: Cross multiply
    26,223.76x = 36,189.20 × 14,287.12
  4. Step 4: Simplify right side
    26,223.76x = 517,039,443.10
  5. Step 5: Solve for x
    x = 517,039,443.10/26,223.76
  6. Step 6: Final answer
    x = 19,716.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.