Home / 21,973.86-32,945.10-10,280.70

Finding the Fourth Proportional to 21,973.86, 32,945.10 and 10,280.70

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Solution

The fourth proportional to 21,973.86, 32,945.10 and 10,280.70 is: 15,413.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973.86 : 32,945.10 = 10,280.70 : x
  2. Step 2: Convert to fraction form
    21,973.86/32,945.10 = 10,280.70/x
  3. Step 3: Cross multiply
    21,973.86x = 32,945.10 × 10,280.70
  4. Step 4: Simplify right side
    21,973.86x = 338,698,689.57
  5. Step 5: Solve for x
    x = 338,698,689.57/21,973.86
  6. Step 6: Final answer
    x = 15,413.71

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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.