Home / 28,552.74-42,822.27-11,913.01

Finding the Fourth Proportional to 28,552.74, 42,822.27 and 11,913.01

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Solution

The fourth proportional to 28,552.74, 42,822.27 and 11,913.01 is: 17,866.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,552.74 : 42,822.27 = 11,913.01 : x
  2. Step 2: Convert to fraction form
    28,552.74/42,822.27 = 11,913.01/x
  3. Step 3: Cross multiply
    28,552.74x = 42,822.27 × 11,913.01
  4. Step 4: Simplify right side
    28,552.74x = 510,142,023.68
  5. Step 5: Solve for x
    x = 510,142,023.68/28,552.74
  6. Step 6: Final answer
    x = 17,866.66

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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.