Home / 27,091.47-40,637.21-13,230.75

Finding the Fourth Proportional to 27,091.47, 40,637.21 and 13,230.75

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Solution

The fourth proportional to 27,091.47, 40,637.21 and 13,230.75 is: 19,846.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,091.47 : 40,637.21 = 13,230.75 : x
  2. Step 2: Convert to fraction form
    27,091.47/40,637.21 = 13,230.75/x
  3. Step 3: Cross multiply
    27,091.47x = 40,637.21 × 13,230.75
  4. Step 4: Simplify right side
    27,091.47x = 537,660,700.05
  5. Step 5: Solve for x
    x = 537,660,700.05/27,091.47
  6. Step 6: Final answer
    x = 19,846.13

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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.