Home / 27,312.24-37,690.68-15,375.72

Finding the Fourth Proportional to 27,312.24, 37,690.68 and 15,375.72

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Solution

The fourth proportional to 27,312.24, 37,690.68 and 15,375.72 is: 21,218.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,312.24 : 37,690.68 = 15,375.72 : x
  2. Step 2: Convert to fraction form
    27,312.24/37,690.68 = 15,375.72/x
  3. Step 3: Cross multiply
    27,312.24x = 37,690.68 × 15,375.72
  4. Step 4: Simplify right side
    27,312.24x = 579,521,342.29
  5. Step 5: Solve for x
    x = 579,521,342.29/27,312.24
  6. Step 6: Final answer
    x = 21,218.37

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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.