Home / 25,859.09-38,787.86-7,140.27

Finding the Fourth Proportional to 25,859.09, 38,787.86 and 7,140.27

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Solution

The fourth proportional to 25,859.09, 38,787.86 and 7,140.27 is: 10,710.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,859.09 : 38,787.86 = 7,140.27 : x
  2. Step 2: Convert to fraction form
    25,859.09/38,787.86 = 7,140.27/x
  3. Step 3: Cross multiply
    25,859.09x = 38,787.86 × 7,140.27
  4. Step 4: Simplify right side
    25,859.09x = 276,955,793.12
  5. Step 5: Solve for x
    x = 276,955,793.12/25,859.09
  6. Step 6: Final answer
    x = 10,710.19

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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.