Home / 26,921.16-40,339.76-17,039.57

Finding the Fourth Proportional to 26,921.16, 40,339.76 and 17,039.57

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Solution

The fourth proportional to 26,921.16, 40,339.76 and 17,039.57 is: 25,532.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,921.16 : 40,339.76 = 17,039.57 : x
  2. Step 2: Convert to fraction form
    26,921.16/40,339.76 = 17,039.57/x
  3. Step 3: Cross multiply
    26,921.16x = 40,339.76 × 17,039.57
  4. Step 4: Simplify right side
    26,921.16x = 687,371,877.41
  5. Step 5: Solve for x
    x = 687,371,877.41/26,921.16
  6. Step 6: Final answer
    x = 25,532.77

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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.