Home / 29,301.86-40,436.61-15,873.23

Finding the Fourth Proportional to 29,301.86, 40,436.61 and 15,873.23

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Solution

The fourth proportional to 29,301.86, 40,436.61 and 15,873.23 is: 21,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,301.86 : 40,436.61 = 15,873.23 : x
  2. Step 2: Convert to fraction form
    29,301.86/40,436.61 = 15,873.23/x
  3. Step 3: Cross multiply
    29,301.86x = 40,436.61 × 15,873.23
  4. Step 4: Simplify right side
    29,301.86x = 641,859,610.95
  5. Step 5: Solve for x
    x = 641,859,610.95/29,301.86
  6. Step 6: Final answer
    x = 21,905.08

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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.