Home / 28,560.16-42,810.54-11,042.02

Finding the Fourth Proportional to 28,560.16, 42,810.54 and 11,042.02

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Solution

The fourth proportional to 28,560.16, 42,810.54 and 11,042.02 is: 16,551.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,560.16 : 42,810.54 = 11,042.02 : x
  2. Step 2: Convert to fraction form
    28,560.16/42,810.54 = 11,042.02/x
  3. Step 3: Cross multiply
    28,560.16x = 42,810.54 × 11,042.02
  4. Step 4: Simplify right side
    28,560.16x = 472,714,838.89
  5. Step 5: Solve for x
    x = 472,714,838.89/28,560.16
  6. Step 6: Final answer
    x = 16,551.55

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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.