Home / 28,089.18-38,762.39-16,152.25

Finding the Fourth Proportional to 28,089.18, 38,762.39 and 16,152.25

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Solution

The fourth proportional to 28,089.18, 38,762.39 and 16,152.25 is: 22,289.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,089.18 : 38,762.39 = 16,152.25 : x
  2. Step 2: Convert to fraction form
    28,089.18/38,762.39 = 16,152.25/x
  3. Step 3: Cross multiply
    28,089.18x = 38,762.39 × 16,152.25
  4. Step 4: Simplify right side
    28,089.18x = 626,099,757.35
  5. Step 5: Solve for x
    x = 626,099,757.35/28,089.18
  6. Step 6: Final answer
    x = 22,289.71

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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.