Home / 28,049.04-38,706-15,473.76

Finding the Fourth Proportional to 28,049.04, 38,706 and 15,473.76

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Solution

The fourth proportional to 28,049.04, 38,706 and 15,473.76 is: 21,352.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,049.04 : 38,706 = 15,473.76 : x
  2. Step 2: Convert to fraction form
    28,049.04/38,706 = 15,473.76/x
  3. Step 3: Cross multiply
    28,049.04x = 38,706 × 15,473.76
  4. Step 4: Simplify right side
    28,049.04x = 598,927,354.56
  5. Step 5: Solve for x
    x = 598,927,354.56/28,049.04
  6. Step 6: Final answer
    x = 21,352.86

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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.