Home / 27,521.17-37,982.32-15,585.21

Finding the Fourth Proportional to 27,521.17, 37,982.32 and 15,585.21

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Solution

The fourth proportional to 27,521.17, 37,982.32 and 15,585.21 is: 21,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,521.17 : 37,982.32 = 15,585.21 : x
  2. Step 2: Convert to fraction form
    27,521.17/37,982.32 = 15,585.21/x
  3. Step 3: Cross multiply
    27,521.17x = 37,982.32 × 15,585.21
  4. Step 4: Simplify right side
    27,521.17x = 591,962,394.52
  5. Step 5: Solve for x
    x = 591,962,394.52/27,521.17
  6. Step 6: Final answer
    x = 21,509.35

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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.