Home / 28,348.38-42,522.66-10,830.42

Finding the Fourth Proportional to 28,348.38, 42,522.66 and 10,830.42

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Solution

The fourth proportional to 28,348.38, 42,522.66 and 10,830.42 is: 16,245.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,348.38 : 42,522.66 = 10,830.42 : x
  2. Step 2: Convert to fraction form
    28,348.38/42,522.66 = 10,830.42/x
  3. Step 3: Cross multiply
    28,348.38x = 42,522.66 × 10,830.42
  4. Step 4: Simplify right side
    28,348.38x = 460,538,267.32
  5. Step 5: Solve for x
    x = 460,538,267.32/28,348.38
  6. Step 6: Final answer
    x = 16,245.66

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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.