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Finding the Fourth Proportional to 17,405.78, 24,032.45 and 10,700.39

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Solution

The fourth proportional to 17,405.78, 24,032.45 and 10,700.39 is: 14,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,405.78 : 24,032.45 = 10,700.39 : x
  2. Step 2: Convert to fraction form
    17,405.78/24,032.45 = 10,700.39/x
  3. Step 3: Cross multiply
    17,405.78x = 24,032.45 × 10,700.39
  4. Step 4: Simplify right side
    17,405.78x = 257,156,413.99
  5. Step 5: Solve for x
    x = 257,156,413.99/17,405.78
  6. Step 6: Final answer
    x = 14,774.20

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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.