Home / 27,139.68-37,452.24-17,690.40

Finding the Fourth Proportional to 27,139.68, 37,452.24 and 17,690.40

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Solution

The fourth proportional to 27,139.68, 37,452.24 and 17,690.40 is: 24,412.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,139.68 : 37,452.24 = 17,690.40 : x
  2. Step 2: Convert to fraction form
    27,139.68/37,452.24 = 17,690.40/x
  3. Step 3: Cross multiply
    27,139.68x = 37,452.24 × 17,690.40
  4. Step 4: Simplify right side
    27,139.68x = 662,545,106.50
  5. Step 5: Solve for x
    x = 662,545,106.50/27,139.68
  6. Step 6: Final answer
    x = 24,412.41

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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.