Home / 26,287.28-39,416.46-17,976.68

Finding the Fourth Proportional to 26,287.28, 39,416.46 and 17,976.68

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Solution

The fourth proportional to 26,287.28, 39,416.46 and 17,976.68 is: 26,955.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,287.28 : 39,416.46 = 17,976.68 : x
  2. Step 2: Convert to fraction form
    26,287.28/39,416.46 = 17,976.68/x
  3. Step 3: Cross multiply
    26,287.28x = 39,416.46 × 17,976.68
  4. Step 4: Simplify right side
    26,287.28x = 708,577,088.15
  5. Step 5: Solve for x
    x = 708,577,088.15/26,287.28
  6. Step 6: Final answer
    x = 26,955.13

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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.