Home / 27,585.40-38,068.62-15,010.36

Finding the Fourth Proportional to 27,585.40, 38,068.62 and 15,010.36

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Solution

The fourth proportional to 27,585.40, 38,068.62 and 15,010.36 is: 20,714.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,585.40 : 38,068.62 = 15,010.36 : x
  2. Step 2: Convert to fraction form
    27,585.40/38,068.62 = 15,010.36/x
  3. Step 3: Cross multiply
    27,585.40x = 38,068.62 × 15,010.36
  4. Step 4: Simplify right side
    27,585.40x = 571,423,690.90
  5. Step 5: Solve for x
    x = 571,423,690.90/27,585.40
  6. Step 6: Final answer
    x = 20,714.71

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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.