Home / 28,432.76-42,598.07-16,739.60

Finding the Fourth Proportional to 28,432.76, 42,598.07 and 16,739.60

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Solution

The fourth proportional to 28,432.76, 42,598.07 and 16,739.60 is: 25,079.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,432.76 : 42,598.07 = 16,739.60 : x
  2. Step 2: Convert to fraction form
    28,432.76/42,598.07 = 16,739.60/x
  3. Step 3: Cross multiply
    28,432.76x = 42,598.07 × 16,739.60
  4. Step 4: Simplify right side
    28,432.76x = 713,074,568.87
  5. Step 5: Solve for x
    x = 713,074,568.87/28,432.76
  6. Step 6: Final answer
    x = 25,079.33

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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.