Home / 28,287.16-42,436.81-9,566.27

Finding the Fourth Proportional to 28,287.16, 42,436.81 and 9,566.27

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Solution

The fourth proportional to 28,287.16, 42,436.81 and 9,566.27 is: 14,351.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,287.16 : 42,436.81 = 9,566.27 : x
  2. Step 2: Convert to fraction form
    28,287.16/42,436.81 = 9,566.27/x
  3. Step 3: Cross multiply
    28,287.16x = 42,436.81 × 9,566.27
  4. Step 4: Simplify right side
    28,287.16x = 405,961,941.31
  5. Step 5: Solve for x
    x = 405,961,941.31/28,287.16
  6. Step 6: Final answer
    x = 14,351.46

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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.