Home / 28,831.35-43,251.48-12,191.46

Finding the Fourth Proportional to 28,831.35, 43,251.48 and 12,191.46

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Solution

The fourth proportional to 28,831.35, 43,251.48 and 12,191.46 is: 18,289.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,831.35 : 43,251.48 = 12,191.46 : x
  2. Step 2: Convert to fraction form
    28,831.35/43,251.48 = 12,191.46/x
  3. Step 3: Cross multiply
    28,831.35x = 43,251.48 × 12,191.46
  4. Step 4: Simplify right side
    28,831.35x = 527,298,688.36
  5. Step 5: Solve for x
    x = 527,298,688.36/28,831.35
  6. Step 6: Final answer
    x = 18,289.07

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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.