Home / 27,079.79-37,373.58-15,143.79

Finding the Fourth Proportional to 27,079.79, 37,373.58 and 15,143.79

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Solution

The fourth proportional to 27,079.79, 37,373.58 and 15,143.79 is: 20,900.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,079.79 : 37,373.58 = 15,143.79 : x
  2. Step 2: Convert to fraction form
    27,079.79/37,373.58 = 15,143.79/x
  3. Step 3: Cross multiply
    27,079.79x = 37,373.58 × 15,143.79
  4. Step 4: Simplify right side
    27,079.79x = 565,977,647.07
  5. Step 5: Solve for x
    x = 565,977,647.07/27,079.79
  6. Step 6: Final answer
    x = 20,900.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.