Home / 28,560.18-39,413.04-15,984.93

Finding the Fourth Proportional to 28,560.18, 39,413.04 and 15,984.93

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Solution

The fourth proportional to 28,560.18, 39,413.04 and 15,984.93 is: 22,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,560.18 : 39,413.04 = 15,984.93 : x
  2. Step 2: Convert to fraction form
    28,560.18/39,413.04 = 15,984.93/x
  3. Step 3: Cross multiply
    28,560.18x = 39,413.04 × 15,984.93
  4. Step 4: Simplify right side
    28,560.18x = 630,014,685.49
  5. Step 5: Solve for x
    x = 630,014,685.49/28,560.18
  6. Step 6: Final answer
    x = 22,059.20

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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.