Home / 28,608.76-39,482.24-18,007.48

Finding the Fourth Proportional to 28,608.76, 39,482.24 and 18,007.48

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Solution

The fourth proportional to 28,608.76, 39,482.24 and 18,007.48 is: 24,851.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608.76 : 39,482.24 = 18,007.48 : x
  2. Step 2: Convert to fraction form
    28,608.76/39,482.24 = 18,007.48/x
  3. Step 3: Cross multiply
    28,608.76x = 39,482.24 × 18,007.48
  4. Step 4: Simplify right side
    28,608.76x = 710,975,647.16
  5. Step 5: Solve for x
    x = 710,975,647.16/28,608.76
  6. Step 6: Final answer
    x = 24,851.68

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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.