Home / 29,293.11-40,424.27-15,864.32

Finding the Fourth Proportional to 29,293.11, 40,424.27 and 15,864.32

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Solution

The fourth proportional to 29,293.11, 40,424.27 and 15,864.32 is: 21,892.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,293.11 : 40,424.27 = 15,864.32 : x
  2. Step 2: Convert to fraction form
    29,293.11/40,424.27 = 15,864.32/x
  3. Step 3: Cross multiply
    29,293.11x = 40,424.27 × 15,864.32
  4. Step 4: Simplify right side
    29,293.11x = 641,303,576.79
  5. Step 5: Solve for x
    x = 641,303,576.79/29,293.11
  6. Step 6: Final answer
    x = 21,892.64

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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.