Home / 28,210.30-42,338.82-14,174.35

Finding the Fourth Proportional to 28,210.30, 42,338.82 and 14,174.35

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Solution

The fourth proportional to 28,210.30, 42,338.82 and 14,174.35 is: 21,273.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,210.30 : 42,338.82 = 14,174.35 : x
  2. Step 2: Convert to fraction form
    28,210.30/42,338.82 = 14,174.35/x
  3. Step 3: Cross multiply
    28,210.30x = 42,338.82 × 14,174.35
  4. Step 4: Simplify right side
    28,210.30x = 600,125,253.27
  5. Step 5: Solve for x
    x = 600,125,253.27/28,210.30
  6. Step 6: Final answer
    x = 21,273.27

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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.