Home / 27,299.28-37,658.28-18,240.24

Finding the Fourth Proportional to 27,299.28, 37,658.28 and 18,240.24

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Solution

The fourth proportional to 27,299.28, 37,658.28 and 18,240.24 is: 25,161.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,299.28 : 37,658.28 = 18,240.24 : x
  2. Step 2: Convert to fraction form
    27,299.28/37,658.28 = 18,240.24/x
  3. Step 3: Cross multiply
    27,299.28x = 37,658.28 × 18,240.24
  4. Step 4: Simplify right side
    27,299.28x = 686,896,065.19
  5. Step 5: Solve for x
    x = 686,896,065.19/27,299.28
  6. Step 6: Final answer
    x = 25,161.69

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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.