Home / 28,158.98-38,824.08-18,069.62

Finding the Fourth Proportional to 28,158.98, 38,824.08 and 18,069.62

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Solution

The fourth proportional to 28,158.98, 38,824.08 and 18,069.62 is: 24,913.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,158.98 : 38,824.08 = 18,069.62 : x
  2. Step 2: Convert to fraction form
    28,158.98/38,824.08 = 18,069.62/x
  3. Step 3: Cross multiply
    28,158.98x = 38,824.08 × 18,069.62
  4. Step 4: Simplify right side
    28,158.98x = 701,536,372.45
  5. Step 5: Solve for x
    x = 701,536,372.45/28,158.98
  6. Step 6: Final answer
    x = 24,913.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.