Home / 25,859.74-38,790.45-7,141.18

Finding the Fourth Proportional to 25,859.74, 38,790.45 and 7,141.18

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Solution

The fourth proportional to 25,859.74, 38,790.45 and 7,141.18 is: 10,712.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,859.74 : 38,790.45 = 7,141.18 : x
  2. Step 2: Convert to fraction form
    25,859.74/38,790.45 = 7,141.18/x
  3. Step 3: Cross multiply
    25,859.74x = 38,790.45 × 7,141.18
  4. Step 4: Simplify right side
    25,859.74x = 277,009,585.73
  5. Step 5: Solve for x
    x = 277,009,585.73/25,859.74
  6. Step 6: Final answer
    x = 10,712.00

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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.