Home / 26,908.57-40,307.46-15,781.60

Finding the Fourth Proportional to 26,908.57, 40,307.46 and 15,781.60

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Solution

The fourth proportional to 26,908.57, 40,307.46 and 15,781.60 is: 23,639.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,908.57 : 40,307.46 = 15,781.60 : x
  2. Step 2: Convert to fraction form
    26,908.57/40,307.46 = 15,781.60/x
  3. Step 3: Cross multiply
    26,908.57x = 40,307.46 × 15,781.60
  4. Step 4: Simplify right side
    26,908.57x = 636,116,210.74
  5. Step 5: Solve for x
    x = 636,116,210.74/26,908.57
  6. Step 6: Final answer
    x = 23,639.91

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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.