Home / 29,304.09-40,439.73-15,875.28

Finding the Fourth Proportional to 29,304.09, 40,439.73 and 15,875.28

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Solution

The fourth proportional to 29,304.09, 40,439.73 and 15,875.28 is: 21,907.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,304.09 : 40,439.73 = 15,875.28 : x
  2. Step 2: Convert to fraction form
    29,304.09/40,439.73 = 15,875.28/x
  3. Step 3: Cross multiply
    29,304.09x = 40,439.73 × 15,875.28
  4. Step 4: Simplify right side
    29,304.09x = 641,992,036.87
  5. Step 5: Solve for x
    x = 641,992,036.87/29,304.09
  6. Step 6: Final answer
    x = 21,907.93

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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.