Home / 29,293.23-40,424.82-15,864.51

Finding the Fourth Proportional to 29,293.23, 40,424.82 and 15,864.51

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Solution

The fourth proportional to 29,293.23, 40,424.82 and 15,864.51 is: 21,893.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,293.23 : 40,424.82 = 15,864.51 : x
  2. Step 2: Convert to fraction form
    29,293.23/40,424.82 = 15,864.51/x
  3. Step 3: Cross multiply
    29,293.23x = 40,424.82 × 15,864.51
  4. Step 4: Simplify right side
    29,293.23x = 641,319,961.14
  5. Step 5: Solve for x
    x = 641,319,961.14/29,293.23
  6. Step 6: Final answer
    x = 21,893.11

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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.