Home / 27,792.87-38,360.12-17,718.99

Finding the Fourth Proportional to 27,792.87, 38,360.12 and 17,718.99

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Solution

The fourth proportional to 27,792.87, 38,360.12 and 17,718.99 is: 24,456.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,792.87 : 38,360.12 = 17,718.99 : x
  2. Step 2: Convert to fraction form
    27,792.87/38,360.12 = 17,718.99/x
  3. Step 3: Cross multiply
    27,792.87x = 38,360.12 × 17,718.99
  4. Step 4: Simplify right side
    27,792.87x = 679,702,494.08
  5. Step 5: Solve for x
    x = 679,702,494.08/27,792.87
  6. Step 6: Final answer
    x = 24,456.00

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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.