Home / 29,293.25-40,424.81-15,864.53

Finding the Fourth Proportional to 29,293.25, 40,424.81 and 15,864.53

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Solution

The fourth proportional to 29,293.25, 40,424.81 and 15,864.53 is: 21,893.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,293.25 : 40,424.81 = 15,864.53 : x
  2. Step 2: Convert to fraction form
    29,293.25/40,424.81 = 15,864.53/x
  3. Step 3: Cross multiply
    29,293.25x = 40,424.81 × 15,864.53
  4. Step 4: Simplify right side
    29,293.25x = 641,320,329.54
  5. Step 5: Solve for x
    x = 641,320,329.54/29,293.25
  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.