Home / 28,272.42-42,407.28-9,551.16

Finding the Fourth Proportional to 28,272.42, 42,407.28 and 9,551.16

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Solution

The fourth proportional to 28,272.42, 42,407.28 and 9,551.16 is: 14,326.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,272.42 : 42,407.28 = 9,551.16 : x
  2. Step 2: Convert to fraction form
    28,272.42/42,407.28 = 9,551.16/x
  3. Step 3: Cross multiply
    28,272.42x = 42,407.28 × 9,551.16
  4. Step 4: Simplify right side
    28,272.42x = 405,038,716.44
  5. Step 5: Solve for x
    x = 405,038,716.44/28,272.42
  6. Step 6: Final answer
    x = 14,326.28

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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.