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Finding the Fourth Proportional to 23,805.86, 35,715.77 and 10,655.31

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Solution

The fourth proportional to 23,805.86, 35,715.77 and 10,655.31 is: 15,986.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,805.86 : 35,715.77 = 10,655.31 : x
  2. Step 2: Convert to fraction form
    23,805.86/35,715.77 = 10,655.31/x
  3. Step 3: Cross multiply
    23,805.86x = 35,715.77 × 10,655.31
  4. Step 4: Simplify right side
    23,805.86x = 380,562,449.30
  5. Step 5: Solve for x
    x = 380,562,449.30/23,805.86
  6. Step 6: Final answer
    x = 15,986.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.