Home / 28,822.77-39,780.86-16,247.52

Finding the Fourth Proportional to 28,822.77, 39,780.86 and 16,247.52

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Solution

The fourth proportional to 28,822.77, 39,780.86 and 16,247.52 is: 22,424.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,822.77 : 39,780.86 = 16,247.52 : x
  2. Step 2: Convert to fraction form
    28,822.77/39,780.86 = 16,247.52/x
  3. Step 3: Cross multiply
    28,822.77x = 39,780.86 × 16,247.52
  4. Step 4: Simplify right side
    28,822.77x = 646,340,237.23
  5. Step 5: Solve for x
    x = 646,340,237.23/28,822.77
  6. Step 6: Final answer
    x = 22,424.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.