Home / 22,987.60-34,513.80-14,239.60

Finding the Fourth Proportional to 22,987.60, 34,513.80 and 14,239.60

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Solution

The fourth proportional to 22,987.60, 34,513.80 and 14,239.60 is: 21,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,987.60 : 34,513.80 = 14,239.60 : x
  2. Step 2: Convert to fraction form
    22,987.60/34,513.80 = 14,239.60/x
  3. Step 3: Cross multiply
    22,987.60x = 34,513.80 × 14,239.60
  4. Step 4: Simplify right side
    22,987.60x = 491,462,706.48
  5. Step 5: Solve for x
    x = 491,462,706.48/22,987.60
  6. Step 6: Final answer
    x = 21,379.47

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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.