Home / 20,902.83-28,817.41-14,924.11

Finding the Fourth Proportional to 20,902.83, 28,817.41 and 14,924.11

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Solution

The fourth proportional to 20,902.83, 28,817.41 and 14,924.11 is: 20,574.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,902.83 : 28,817.41 = 14,924.11 : x
  2. Step 2: Convert to fraction form
    20,902.83/28,817.41 = 14,924.11/x
  3. Step 3: Cross multiply
    20,902.83x = 28,817.41 × 14,924.11
  4. Step 4: Simplify right side
    20,902.83x = 430,074,196.76
  5. Step 5: Solve for x
    x = 430,074,196.76/20,902.83
  6. Step 6: Final answer
    x = 20,574.93

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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.