Home / 27,836.84-38,417.25-15,264.02

Finding the Fourth Proportional to 27,836.84, 38,417.25 and 15,264.02

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Solution

The fourth proportional to 27,836.84, 38,417.25 and 15,264.02 is: 21,065.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,836.84 : 38,417.25 = 15,264.02 : x
  2. Step 2: Convert to fraction form
    27,836.84/38,417.25 = 15,264.02/x
  3. Step 3: Cross multiply
    27,836.84x = 38,417.25 × 15,264.02
  4. Step 4: Simplify right side
    27,836.84x = 586,401,672.35
  5. Step 5: Solve for x
    x = 586,401,672.35/27,836.84
  6. Step 6: Final answer
    x = 21,065.67

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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.