Home / 27,018.91-37,285.95-15,691.19

Finding the Fourth Proportional to 27,018.91, 37,285.95 and 15,691.19

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Solution

The fourth proportional to 27,018.91, 37,285.95 and 15,691.19 is: 21,653.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,018.91 : 37,285.95 = 15,691.19 : x
  2. Step 2: Convert to fraction form
    27,018.91/37,285.95 = 15,691.19/x
  3. Step 3: Cross multiply
    27,018.91x = 37,285.95 × 15,691.19
  4. Step 4: Simplify right side
    27,018.91x = 585,061,019.00
  5. Step 5: Solve for x
    x = 585,061,019.00/27,018.91
  6. Step 6: Final answer
    x = 21,653.76

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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.