Home / 27,718.40-38,278.32-23,716.10

Finding the Fourth Proportional to 27,718.40, 38,278.32 and 23,716.10

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Solution

The fourth proportional to 27,718.40, 38,278.32 and 23,716.10 is: 32,751.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,718.40 : 38,278.32 = 23,716.10 : x
  2. Step 2: Convert to fraction form
    27,718.40/38,278.32 = 23,716.10/x
  3. Step 3: Cross multiply
    27,718.40x = 38,278.32 × 23,716.10
  4. Step 4: Simplify right side
    27,718.40x = 907,812,464.95
  5. Step 5: Solve for x
    x = 907,812,464.95/27,718.40
  6. Step 6: Final answer
    x = 32,751.26

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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.