Home / 19,281.22-28,902.39-14,654.50

Finding the Fourth Proportional to 19,281.22, 28,902.39 and 14,654.50

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Solution

The fourth proportional to 19,281.22, 28,902.39 and 14,654.50 is: 21,966.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281.22 : 28,902.39 = 14,654.50 : x
  2. Step 2: Convert to fraction form
    19,281.22/28,902.39 = 14,654.50/x
  3. Step 3: Cross multiply
    19,281.22x = 28,902.39 × 14,654.50
  4. Step 4: Simplify right side
    19,281.22x = 423,550,074.26
  5. Step 5: Solve for x
    x = 423,550,074.26/19,281.22
  6. Step 6: Final answer
    x = 21,966.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.