Home / 27,251.55-40,877.33-17,920.35

Finding the Fourth Proportional to 27,251.55, 40,877.33 and 17,920.35

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Solution

The fourth proportional to 27,251.55, 40,877.33 and 17,920.35 is: 26,880.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,251.55 : 40,877.33 = 17,920.35 : x
  2. Step 2: Convert to fraction form
    27,251.55/40,877.33 = 17,920.35/x
  3. Step 3: Cross multiply
    27,251.55x = 40,877.33 × 17,920.35
  4. Step 4: Simplify right side
    27,251.55x = 732,535,971.06
  5. Step 5: Solve for x
    x = 732,535,971.06/27,251.55
  6. Step 6: Final answer
    x = 26,880.53

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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.