Home / 28,046.36-38,701.14-16,106.84

Finding the Fourth Proportional to 28,046.36, 38,701.14 and 16,106.84

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Solution

The fourth proportional to 28,046.36, 38,701.14 and 16,106.84 is: 22,225.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,046.36 : 38,701.14 = 16,106.84 : x
  2. Step 2: Convert to fraction form
    28,046.36/38,701.14 = 16,106.84/x
  3. Step 3: Cross multiply
    28,046.36x = 38,701.14 × 16,106.84
  4. Step 4: Simplify right side
    28,046.36x = 623,353,069.80
  5. Step 5: Solve for x
    x = 623,353,069.80/28,046.36
  6. Step 6: Final answer
    x = 22,225.81

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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.