Home / 28,297.29-42,443.48-9,576.91

Finding the Fourth Proportional to 28,297.29, 42,443.48 and 9,576.91

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Solution

The fourth proportional to 28,297.29, 42,443.48 and 9,576.91 is: 14,364.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297.29 : 42,443.48 = 9,576.91 : x
  2. Step 2: Convert to fraction form
    28,297.29/42,443.48 = 9,576.91/x
  3. Step 3: Cross multiply
    28,297.29x = 42,443.48 × 9,576.91
  4. Step 4: Simplify right side
    28,297.29x = 406,477,332.20
  5. Step 5: Solve for x
    x = 406,477,332.20/28,297.29
  6. Step 6: Final answer
    x = 14,364.53

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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.