Home / 27,360.28-40,987.32-17,971.81

Finding the Fourth Proportional to 27,360.28, 40,987.32 and 17,971.81

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Solution

The fourth proportional to 27,360.28, 40,987.32 and 17,971.81 is: 26,922.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,360.28 : 40,987.32 = 17,971.81 : x
  2. Step 2: Convert to fraction form
    27,360.28/40,987.32 = 17,971.81/x
  3. Step 3: Cross multiply
    27,360.28x = 40,987.32 × 17,971.81
  4. Step 4: Simplify right side
    27,360.28x = 736,616,330.50
  5. Step 5: Solve for x
    x = 736,616,330.50/27,360.28
  6. Step 6: Final answer
    x = 26,922.83

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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.