Home / 25,860.12-38,790.36-9,220.83

Finding the Fourth Proportional to 25,860.12, 38,790.36 and 9,220.83

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Solution

The fourth proportional to 25,860.12, 38,790.36 and 9,220.83 is: 13,831.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,860.12 : 38,790.36 = 9,220.83 : x
  2. Step 2: Convert to fraction form
    25,860.12/38,790.36 = 9,220.83/x
  3. Step 3: Cross multiply
    25,860.12x = 38,790.36 × 9,220.83
  4. Step 4: Simplify right side
    25,860.12x = 357,679,315.20
  5. Step 5: Solve for x
    x = 357,679,315.20/25,860.12
  6. Step 6: Final answer
    x = 13,831.31

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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.