Home / 27,117.10-40,712.10-17,299.90

Finding the Fourth Proportional to 27,117.10, 40,712.10 and 17,299.90

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Solution

The fourth proportional to 27,117.10, 40,712.10 and 17,299.90 is: 25,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,117.10 : 40,712.10 = 17,299.90 : x
  2. Step 2: Convert to fraction form
    27,117.10/40,712.10 = 17,299.90/x
  3. Step 3: Cross multiply
    27,117.10x = 40,712.10 × 17,299.90
  4. Step 4: Simplify right side
    27,117.10x = 704,315,258.79
  5. Step 5: Solve for x
    x = 704,315,258.79/27,117.10
  6. Step 6: Final answer
    x = 25,973.10

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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.