Home / 28,465.47-39,284.60-16,532.55

Finding the Fourth Proportional to 28,465.47, 39,284.60 and 16,532.55

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Solution

The fourth proportional to 28,465.47, 39,284.60 and 16,532.55 is: 22,816.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,465.47 : 39,284.60 = 16,532.55 : x
  2. Step 2: Convert to fraction form
    28,465.47/39,284.60 = 16,532.55/x
  3. Step 3: Cross multiply
    28,465.47x = 39,284.60 × 16,532.55
  4. Step 4: Simplify right side
    28,465.47x = 649,474,531.07
  5. Step 5: Solve for x
    x = 649,474,531.07/28,465.47
  6. Step 6: Final answer
    x = 22,816.22

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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.