Home / 28,095.19-42,145.75-9,368.70

Finding the Fourth Proportional to 28,095.19, 42,145.75 and 9,368.70

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Solution

The fourth proportional to 28,095.19, 42,145.75 and 9,368.70 is: 14,054.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,095.19 : 42,145.75 = 9,368.70 : x
  2. Step 2: Convert to fraction form
    28,095.19/42,145.75 = 9,368.70/x
  3. Step 3: Cross multiply
    28,095.19x = 42,145.75 × 9,368.70
  4. Step 4: Simplify right side
    28,095.19x = 394,850,888.03
  5. Step 5: Solve for x
    x = 394,850,888.03/28,095.19
  6. Step 6: Final answer
    x = 14,054.04

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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.