Home / 27,288.84-37,655.75-15,351.16

Finding the Fourth Proportional to 27,288.84, 37,655.75 and 15,351.16

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Solution

The fourth proportional to 27,288.84, 37,655.75 and 15,351.16 is: 21,183.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,288.84 : 37,655.75 = 15,351.16 : x
  2. Step 2: Convert to fraction form
    27,288.84/37,655.75 = 15,351.16/x
  3. Step 3: Cross multiply
    27,288.84x = 37,655.75 × 15,351.16
  4. Step 4: Simplify right side
    27,288.84x = 578,059,443.17
  5. Step 5: Solve for x
    x = 578,059,443.17/27,288.84
  6. Step 6: Final answer
    x = 21,183.00

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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.