Home / 28,264.96-42,397.62-9,792.64

Finding the Fourth Proportional to 28,264.96, 42,397.62 and 9,792.64

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Solution

The fourth proportional to 28,264.96, 42,397.62 and 9,792.64 is: 14,689.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,264.96 : 42,397.62 = 9,792.64 : x
  2. Step 2: Convert to fraction form
    28,264.96/42,397.62 = 9,792.64/x
  3. Step 3: Cross multiply
    28,264.96x = 42,397.62 × 9,792.64
  4. Step 4: Simplify right side
    28,264.96x = 415,184,629.52
  5. Step 5: Solve for x
    x = 415,184,629.52/28,264.96
  6. Step 6: Final answer
    x = 14,689.02

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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.