Home / 28,041.83-42,056.80-10,512.95

Finding the Fourth Proportional to 28,041.83, 42,056.80 and 10,512.95

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Solution

The fourth proportional to 28,041.83, 42,056.80 and 10,512.95 is: 15,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,041.83 : 42,056.80 = 10,512.95 : x
  2. Step 2: Convert to fraction form
    28,041.83/42,056.80 = 10,512.95/x
  3. Step 3: Cross multiply
    28,041.83x = 42,056.80 × 10,512.95
  4. Step 4: Simplify right side
    28,041.83x = 442,141,035.56
  5. Step 5: Solve for x
    x = 442,141,035.56/28,041.83
  6. Step 6: Final answer
    x = 15,767.20

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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.