Home / 28,297.55-42,444.88-10,528.18

Finding the Fourth Proportional to 28,297.55, 42,444.88 and 10,528.18

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Solution

The fourth proportional to 28,297.55, 42,444.88 and 10,528.18 is: 15,791.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297.55 : 42,444.88 = 10,528.18 : x
  2. Step 2: Convert to fraction form
    28,297.55/42,444.88 = 10,528.18/x
  3. Step 3: Cross multiply
    28,297.55x = 42,444.88 × 10,528.18
  4. Step 4: Simplify right side
    28,297.55x = 446,867,204.29
  5. Step 5: Solve for x
    x = 446,867,204.29/28,297.55
  6. Step 6: Final answer
    x = 15,791.73

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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.