Home / 27,147.01-40,716.73-15,127.42

Finding the Fourth Proportional to 27,147.01, 40,716.73 and 15,127.42

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Solution

The fourth proportional to 27,147.01, 40,716.73 and 15,127.42 is: 22,689.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,147.01 : 40,716.73 = 15,127.42 : x
  2. Step 2: Convert to fraction form
    27,147.01/40,716.73 = 15,127.42/x
  3. Step 3: Cross multiply
    27,147.01x = 40,716.73 × 15,127.42
  4. Step 4: Simplify right side
    27,147.01x = 615,939,075.74
  5. Step 5: Solve for x
    x = 615,939,075.74/27,147.01
  6. Step 6: Final answer
    x = 22,689.02

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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.