Home / 28,448.18-42,673.19-9,727.46

Finding the Fourth Proportional to 28,448.18, 42,673.19 and 9,727.46

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Solution

The fourth proportional to 28,448.18, 42,673.19 and 9,727.46 is: 14,591.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,448.18 : 42,673.19 = 9,727.46 : x
  2. Step 2: Convert to fraction form
    28,448.18/42,673.19 = 9,727.46/x
  3. Step 3: Cross multiply
    28,448.18x = 42,673.19 × 9,727.46
  4. Step 4: Simplify right side
    28,448.18x = 415,101,748.80
  5. Step 5: Solve for x
    x = 415,101,748.80/28,448.18
  6. Step 6: Final answer
    x = 14,591.50

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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.