Home / 22,383.08-30,888.24-15,309.26

Finding the Fourth Proportional to 22,383.08, 30,888.24 and 15,309.26

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Solution

The fourth proportional to 22,383.08, 30,888.24 and 15,309.26 is: 21,126.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,383.08 : 30,888.24 = 15,309.26 : x
  2. Step 2: Convert to fraction form
    22,383.08/30,888.24 = 15,309.26/x
  3. Step 3: Cross multiply
    22,383.08x = 30,888.24 × 15,309.26
  4. Step 4: Simplify right side
    22,383.08x = 472,876,097.10
  5. Step 5: Solve for x
    x = 472,876,097.10/22,383.08
  6. Step 6: Final answer
    x = 21,126.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.