Home / 28,423.22-42,635.09-10,888.88

Finding the Fourth Proportional to 28,423.22, 42,635.09 and 10,888.88

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Solution

The fourth proportional to 28,423.22, 42,635.09 and 10,888.88 is: 16,333.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,423.22 : 42,635.09 = 10,888.88 : x
  2. Step 2: Convert to fraction form
    28,423.22/42,635.09 = 10,888.88/x
  3. Step 3: Cross multiply
    28,423.22x = 42,635.09 × 10,888.88
  4. Step 4: Simplify right side
    28,423.22x = 464,248,192.85
  5. Step 5: Solve for x
    x = 464,248,192.85/28,423.22
  6. Step 6: Final answer
    x = 16,333.42

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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.