Home / 25,619.14-38,430.69-9,831.73

Finding the Fourth Proportional to 25,619.14, 38,430.69 and 9,831.73

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Solution

The fourth proportional to 25,619.14, 38,430.69 and 9,831.73 is: 14,748.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,619.14 : 38,430.69 = 9,831.73 : x
  2. Step 2: Convert to fraction form
    25,619.14/38,430.69 = 9,831.73/x
  3. Step 3: Cross multiply
    25,619.14x = 38,430.69 × 9,831.73
  4. Step 4: Simplify right side
    25,619.14x = 377,840,167.79
  5. Step 5: Solve for x
    x = 377,840,167.79/25,619.14
  6. Step 6: Final answer
    x = 14,748.35

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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.