Home / 27,320.14-37,702.73-15,990.69

Finding the Fourth Proportional to 27,320.14, 37,702.73 and 15,990.69

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Solution

The fourth proportional to 27,320.14, 37,702.73 and 15,990.69 is: 22,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.14 : 37,702.73 = 15,990.69 : x
  2. Step 2: Convert to fraction form
    27,320.14/37,702.73 = 15,990.69/x
  3. Step 3: Cross multiply
    27,320.14x = 37,702.73 × 15,990.69
  4. Step 4: Simplify right side
    27,320.14x = 602,892,587.63
  5. Step 5: Solve for x
    x = 602,892,587.63/27,320.14
  6. Step 6: Final answer
    x = 22,067.70

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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.