Home / 28,495.14-42,713.55-13,706.70

Finding the Fourth Proportional to 28,495.14, 42,713.55 and 13,706.70

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Solution

The fourth proportional to 28,495.14, 42,713.55 and 13,706.70 is: 20,546.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,495.14 : 42,713.55 = 13,706.70 : x
  2. Step 2: Convert to fraction form
    28,495.14/42,713.55 = 13,706.70/x
  3. Step 3: Cross multiply
    28,495.14x = 42,713.55 × 13,706.70
  4. Step 4: Simplify right side
    28,495.14x = 585,461,815.79
  5. Step 5: Solve for x
    x = 585,461,815.79/28,495.14
  6. Step 6: Final answer
    x = 20,546.02

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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.