Home / 28,881.32-39,792.84-19,433.48

Finding the Fourth Proportional to 28,881.32, 39,792.84 and 19,433.48

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Solution

The fourth proportional to 28,881.32, 39,792.84 and 19,433.48 is: 26,775.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881.32 : 39,792.84 = 19,433.48 : x
  2. Step 2: Convert to fraction form
    28,881.32/39,792.84 = 19,433.48/x
  3. Step 3: Cross multiply
    28,881.32x = 39,792.84 × 19,433.48
  4. Step 4: Simplify right side
    28,881.32x = 773,313,360.28
  5. Step 5: Solve for x
    x = 773,313,360.28/28,881.32
  6. Step 6: Final answer
    x = 26,775.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.