Home / 29,301.68-40,436.51-15,872.93

Finding the Fourth Proportional to 29,301.68, 40,436.51 and 15,872.93

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Solution

The fourth proportional to 29,301.68, 40,436.51 and 15,872.93 is: 21,904.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,301.68 : 40,436.51 = 15,872.93 : x
  2. Step 2: Convert to fraction form
    29,301.68/40,436.51 = 15,872.93/x
  3. Step 3: Cross multiply
    29,301.68x = 40,436.51 × 15,872.93
  4. Step 4: Simplify right side
    29,301.68x = 641,845,914.40
  5. Step 5: Solve for x
    x = 641,845,914.40/29,301.68
  6. Step 6: Final answer
    x = 21,904.75

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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.