Home / 28,175.74-38,876.95-16,075.96

Finding the Fourth Proportional to 28,175.74, 38,876.95 and 16,075.96

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Solution

The fourth proportional to 28,175.74, 38,876.95 and 16,075.96 is: 22,181.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,175.74 : 38,876.95 = 16,075.96 : x
  2. Step 2: Convert to fraction form
    28,175.74/38,876.95 = 16,075.96/x
  3. Step 3: Cross multiply
    28,175.74x = 38,876.95 × 16,075.96
  4. Step 4: Simplify right side
    28,175.74x = 624,984,293.12
  5. Step 5: Solve for x
    x = 624,984,293.12/28,175.74
  6. Step 6: Final answer
    x = 22,181.65

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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.