Home / 27,079.16-37,369.00-15,142.58

Finding the Fourth Proportional to 27,079.16, 37,369.00 and 15,142.58

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Solution

The fourth proportional to 27,079.16, 37,369.00 and 15,142.58 is: 20,896.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,079.16 : 37,369.00 = 15,142.58 : x
  2. Step 2: Convert to fraction form
    27,079.16/37,369.00 = 15,142.58/x
  3. Step 3: Cross multiply
    27,079.16x = 37,369.00 × 15,142.58
  4. Step 4: Simplify right side
    27,079.16x = 565,863,116.71
  5. Step 5: Solve for x
    x = 565,863,116.71/27,079.16
  6. Step 6: Final answer
    x = 20,896.63

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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.