Home / 28,251.79-42,384.06-9,530.46

Finding the Fourth Proportional to 28,251.79, 42,384.06 and 9,530.46

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Solution

The fourth proportional to 28,251.79, 42,384.06 and 9,530.46 is: 14,297.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,251.79 : 42,384.06 = 9,530.46 : x
  2. Step 2: Convert to fraction form
    28,251.79/42,384.06 = 9,530.46/x
  3. Step 3: Cross multiply
    28,251.79x = 42,384.06 × 9,530.46
  4. Step 4: Simplify right side
    28,251.79x = 403,939,588.47
  5. Step 5: Solve for x
    x = 403,939,588.47/28,251.79
  6. Step 6: Final answer
    x = 14,297.84

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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.