Home / 28,802.40-43,185.84-10,072.32

Finding the Fourth Proportional to 28,802.40, 43,185.84 and 10,072.32

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Solution

The fourth proportional to 28,802.40, 43,185.84 and 10,072.32 is: 15,102.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,802.40 : 43,185.84 = 10,072.32 : x
  2. Step 2: Convert to fraction form
    28,802.40/43,185.84 = 10,072.32/x
  3. Step 3: Cross multiply
    28,802.40x = 43,185.84 × 10,072.32
  4. Step 4: Simplify right side
    28,802.40x = 434,981,599.95
  5. Step 5: Solve for x
    x = 434,981,599.95/28,802.40
  6. Step 6: Final answer
    x = 15,102.27

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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.