Home / 20,546.46-28,312.29-14,175

Finding the Fourth Proportional to 20,546.46, 28,312.29 and 14,175

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Solution

The fourth proportional to 20,546.46, 28,312.29 and 14,175 is: 19,532.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,546.46 : 28,312.29 = 14,175 : x
  2. Step 2: Convert to fraction form
    20,546.46/28,312.29 = 14,175/x
  3. Step 3: Cross multiply
    20,546.46x = 28,312.29 × 14,175
  4. Step 4: Simplify right side
    20,546.46x = 401,326,710.75
  5. Step 5: Solve for x
    x = 401,326,710.75/20,546.46
  6. Step 6: Final answer
    x = 19,532.65

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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.