Home / 28,398.25-42,595.62-8,675.02

Finding the Fourth Proportional to 28,398.25, 42,595.62 and 8,675.02

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Solution

The fourth proportional to 28,398.25, 42,595.62 and 8,675.02 is: 13,011.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,398.25 : 42,595.62 = 8,675.02 : x
  2. Step 2: Convert to fraction form
    28,398.25/42,595.62 = 8,675.02/x
  3. Step 3: Cross multiply
    28,398.25x = 42,595.62 × 8,675.02
  4. Step 4: Simplify right side
    28,398.25x = 369,517,855.41
  5. Step 5: Solve for x
    x = 369,517,855.41/28,398.25
  6. Step 6: Final answer
    x = 13,011.99

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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.