Home / 28,104.45-38,792.22-18,551.31

Finding the Fourth Proportional to 28,104.45, 38,792.22 and 18,551.31

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Solution

The fourth proportional to 28,104.45, 38,792.22 and 18,551.31 is: 25,606.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,104.45 : 38,792.22 = 18,551.31 : x
  2. Step 2: Convert to fraction form
    28,104.45/38,792.22 = 18,551.31/x
  3. Step 3: Cross multiply
    28,104.45x = 38,792.22 × 18,551.31
  4. Step 4: Simplify right side
    28,104.45x = 719,646,498.81
  5. Step 5: Solve for x
    x = 719,646,498.81/28,104.45
  6. Step 6: Final answer
    x = 25,606.14

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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.