Home / 25,622.64-38,569.83-18,277.92

Finding the Fourth Proportional to 25,622.64, 38,569.83 and 18,277.92

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Solution

The fourth proportional to 25,622.64, 38,569.83 and 18,277.92 is: 27,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,622.64 : 38,569.83 = 18,277.92 : x
  2. Step 2: Convert to fraction form
    25,622.64/38,569.83 = 18,277.92/x
  3. Step 3: Cross multiply
    25,622.64x = 38,569.83 × 18,277.92
  4. Step 4: Simplify right side
    25,622.64x = 704,976,267.15
  5. Step 5: Solve for x
    x = 704,976,267.15/25,622.64
  6. Step 6: Final answer
    x = 27,513.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.