Home / 28,521.92-42,780.96-10,051.52

Finding the Fourth Proportional to 28,521.92, 42,780.96 and 10,051.52

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Solution

The fourth proportional to 28,521.92, 42,780.96 and 10,051.52 is: 15,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,521.92 : 42,780.96 = 10,051.52 : x
  2. Step 2: Convert to fraction form
    28,521.92/42,780.96 = 10,051.52/x
  3. Step 3: Cross multiply
    28,521.92x = 42,780.96 × 10,051.52
  4. Step 4: Simplify right side
    28,521.92x = 430,013,675.06
  5. Step 5: Solve for x
    x = 430,013,675.06/28,521.92
  6. Step 6: Final answer
    x = 15,076.60

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1.5x scale

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.