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Finding the Fourth Proportional to 25,833, 35,656.02 and 15,218.76

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Solution

The fourth proportional to 25,833, 35,656.02 and 15,218.76 is: 21,005.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,833 : 35,656.02 = 15,218.76 : x
  2. Step 2: Convert to fraction form
    25,833/35,656.02 = 15,218.76/x
  3. Step 3: Cross multiply
    25,833x = 35,656.02 × 15,218.76
  4. Step 4: Simplify right side
    25,833x = 542,640,410.94
  5. Step 5: Solve for x
    x = 542,640,410.94/25,833
  6. Step 6: Final answer
    x = 21,005.71

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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.