Home / 27,554.16-38,023.79-15,617.19

Finding the Fourth Proportional to 27,554.16, 38,023.79 and 15,617.19

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Solution

The fourth proportional to 27,554.16, 38,023.79 and 15,617.19 is: 21,551.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,554.16 : 38,023.79 = 15,617.19 : x
  2. Step 2: Convert to fraction form
    27,554.16/38,023.79 = 15,617.19/x
  3. Step 3: Cross multiply
    27,554.16x = 38,023.79 × 15,617.19
  4. Step 4: Simplify right side
    27,554.16x = 593,824,674.86
  5. Step 5: Solve for x
    x = 593,824,674.86/27,554.16
  6. Step 6: Final answer
    x = 21,551.18

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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.