Home / 28,805.29-43,178.24-11,031.10

Finding the Fourth Proportional to 28,805.29, 43,178.24 and 11,031.10

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Solution

The fourth proportional to 28,805.29, 43,178.24 and 11,031.10 is: 16,535.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,805.29 : 43,178.24 = 11,031.10 : x
  2. Step 2: Convert to fraction form
    28,805.29/43,178.24 = 11,031.10/x
  3. Step 3: Cross multiply
    28,805.29x = 43,178.24 × 11,031.10
  4. Step 4: Simplify right side
    28,805.29x = 476,303,402.90
  5. Step 5: Solve for x
    x = 476,303,402.90/28,805.29
  6. Step 6: Final answer
    x = 16,535.28

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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.