Home / 28,002.60-41,946.30-19,247.40

Finding the Fourth Proportional to 28,002.60, 41,946.30 and 19,247.40

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Solution

The fourth proportional to 28,002.60, 41,946.30 and 19,247.40 is: 28,831.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,002.60 : 41,946.30 = 19,247.40 : x
  2. Step 2: Convert to fraction form
    28,002.60/41,946.30 = 19,247.40/x
  3. Step 3: Cross multiply
    28,002.60x = 41,946.30 × 19,247.40
  4. Step 4: Simplify right side
    28,002.60x = 807,357,214.62
  5. Step 5: Solve for x
    x = 807,357,214.62/28,002.60
  6. Step 6: Final answer
    x = 28,831.51

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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.