Home / 28,869.53-43,344.08-19,962.98

Finding the Fourth Proportional to 28,869.53, 43,344.08 and 19,962.98

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Solution

The fourth proportional to 28,869.53, 43,344.08 and 19,962.98 is: 29,971.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,869.53 : 43,344.08 = 19,962.98 : x
  2. Step 2: Convert to fraction form
    28,869.53/43,344.08 = 19,962.98/x
  3. Step 3: Cross multiply
    28,869.53x = 43,344.08 × 19,962.98
  4. Step 4: Simplify right side
    28,869.53x = 865,276,685.62
  5. Step 5: Solve for x
    x = 865,276,685.62/28,869.53
  6. Step 6: Final answer
    x = 29,971.98

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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.