Home / 26,727.90-36,885.10-17,312.84

Finding the Fourth Proportional to 26,727.90, 36,885.10 and 17,312.84

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Solution

The fourth proportional to 26,727.90, 36,885.10 and 17,312.84 is: 23,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,727.90 : 36,885.10 = 17,312.84 : x
  2. Step 2: Convert to fraction form
    26,727.90/36,885.10 = 17,312.84/x
  3. Step 3: Cross multiply
    26,727.90x = 36,885.10 × 17,312.84
  4. Step 4: Simplify right side
    26,727.90x = 638,585,834.68
  5. Step 5: Solve for x
    x = 638,585,834.68/26,727.90
  6. Step 6: Final answer
    x = 23,892.11

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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.