Home / 28,047.76-42,060.70-10,508.02

Finding the Fourth Proportional to 28,047.76, 42,060.70 and 10,508.02

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Solution

The fourth proportional to 28,047.76, 42,060.70 and 10,508.02 is: 15,757.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,047.76 : 42,060.70 = 10,508.02 : x
  2. Step 2: Convert to fraction form
    28,047.76/42,060.70 = 10,508.02/x
  3. Step 3: Cross multiply
    28,047.76x = 42,060.70 × 10,508.02
  4. Step 4: Simplify right side
    28,047.76x = 441,974,676.81
  5. Step 5: Solve for x
    x = 441,974,676.81/28,047.76
  6. Step 6: Final answer
    x = 15,757.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.