Home / 28,099.32-38,777.13-16,161.87

Finding the Fourth Proportional to 28,099.32, 38,777.13 and 16,161.87

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Solution

The fourth proportional to 28,099.32, 38,777.13 and 16,161.87 is: 22,303.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,099.32 : 38,777.13 = 16,161.87 : x
  2. Step 2: Convert to fraction form
    28,099.32/38,777.13 = 16,161.87/x
  3. Step 3: Cross multiply
    28,099.32x = 38,777.13 × 16,161.87
  4. Step 4: Simplify right side
    28,099.32x = 626,710,934.03
  5. Step 5: Solve for x
    x = 626,710,934.03/28,099.32
  6. Step 6: Final answer
    x = 22,303.42

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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.