Home / 27,022.61-37,288.36-15,689.89

Finding the Fourth Proportional to 27,022.61, 37,288.36 and 15,689.89

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Solution

The fourth proportional to 27,022.61, 37,288.36 and 15,689.89 is: 21,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,022.61 : 37,288.36 = 15,689.89 : x
  2. Step 2: Convert to fraction form
    27,022.61/37,288.36 = 15,689.89/x
  3. Step 3: Cross multiply
    27,022.61x = 37,288.36 × 15,689.89
  4. Step 4: Simplify right side
    27,022.61x = 585,050,266.68
  5. Step 5: Solve for x
    x = 585,050,266.68/27,022.61
  6. Step 6: Final answer
    x = 21,650.40

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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.