Home / 28,280.17-42,413.24-9,559.79

Finding the Fourth Proportional to 28,280.17, 42,413.24 and 9,559.79

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Solution

The fourth proportional to 28,280.17, 42,413.24 and 9,559.79 is: 14,337.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,280.17 : 42,413.24 = 9,559.79 : x
  2. Step 2: Convert to fraction form
    28,280.17/42,413.24 = 9,559.79/x
  3. Step 3: Cross multiply
    28,280.17x = 42,413.24 × 9,559.79
  4. Step 4: Simplify right side
    28,280.17x = 405,461,455.55
  5. Step 5: Solve for x
    x = 405,461,455.55/28,280.17
  6. Step 6: Final answer
    x = 14,337.31

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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.