Home / 29,236.72-40,346.68-15,807.97

Finding the Fourth Proportional to 29,236.72, 40,346.68 and 15,807.97

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Solution

The fourth proportional to 29,236.72, 40,346.68 and 15,807.97 is: 21,815.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,236.72 : 40,346.68 = 15,807.97 : x
  2. Step 2: Convert to fraction form
    29,236.72/40,346.68 = 15,807.97/x
  3. Step 3: Cross multiply
    29,236.72x = 40,346.68 × 15,807.97
  4. Step 4: Simplify right side
    29,236.72x = 637,798,966.65
  5. Step 5: Solve for x
    x = 637,798,966.65/29,236.72
  6. Step 6: Final answer
    x = 21,815.00

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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.