Home / 19,521.20-29,281.80-14,855.60

Finding the Fourth Proportional to 19,521.20, 29,281.80 and 14,855.60

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Solution

The fourth proportional to 19,521.20, 29,281.80 and 14,855.60 is: 22,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,521.20 : 29,281.80 = 14,855.60 : x
  2. Step 2: Convert to fraction form
    19,521.20/29,281.80 = 14,855.60/x
  3. Step 3: Cross multiply
    19,521.20x = 29,281.80 × 14,855.60
  4. Step 4: Simplify right side
    19,521.20x = 434,998,708.08
  5. Step 5: Solve for x
    x = 434,998,708.08/19,521.20
  6. Step 6: Final answer
    x = 22,283.40

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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.