Home / 28,981.96-43,464.91-10,259.53

Finding the Fourth Proportional to 28,981.96, 43,464.91 and 10,259.53

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Solution

The fourth proportional to 28,981.96, 43,464.91 and 10,259.53 is: 15,386.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,981.96 : 43,464.91 = 10,259.53 : x
  2. Step 2: Convert to fraction form
    28,981.96/43,464.91 = 10,259.53/x
  3. Step 3: Cross multiply
    28,981.96x = 43,464.91 × 10,259.53
  4. Step 4: Simplify right side
    28,981.96x = 445,929,413.78
  5. Step 5: Solve for x
    x = 445,929,413.78/28,981.96
  6. Step 6: Final answer
    x = 15,386.45

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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.