Home / 19,252.80-28,878.80-8,864.55

Finding the Fourth Proportional to 19,252.80, 28,878.80 and 8,864.55

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Solution

The fourth proportional to 19,252.80, 28,878.80 and 8,864.55 is: 13,296.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,252.80 : 28,878.80 = 8,864.55 : x
  2. Step 2: Convert to fraction form
    19,252.80/28,878.80 = 8,864.55/x
  3. Step 3: Cross multiply
    19,252.80x = 28,878.80 × 8,864.55
  4. Step 4: Simplify right side
    19,252.80x = 255,997,522.22
  5. Step 5: Solve for x
    x = 255,997,522.22/19,252.80
  6. Step 6: Final answer
    x = 13,296.64

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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.