Home / 28,301.16-42,413.45-10,761.42

Finding the Fourth Proportional to 28,301.16, 42,413.45 and 10,761.42

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Solution

The fourth proportional to 28,301.16, 42,413.45 and 10,761.42 is: 16,127.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,301.16 : 42,413.45 = 10,761.42 : x
  2. Step 2: Convert to fraction form
    28,301.16/42,413.45 = 10,761.42/x
  3. Step 3: Cross multiply
    28,301.16x = 42,413.45 × 10,761.42
  4. Step 4: Simplify right side
    28,301.16x = 456,428,895.29
  5. Step 5: Solve for x
    x = 456,428,895.29/28,301.16
  6. Step 6: Final answer
    x = 16,127.57

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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.