Home / 26,831.64-40,248.32-12,793.20

Finding the Fourth Proportional to 26,831.64, 40,248.32 and 12,793.20

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Solution

The fourth proportional to 26,831.64, 40,248.32 and 12,793.20 is: 19,190.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,831.64 : 40,248.32 = 12,793.20 : x
  2. Step 2: Convert to fraction form
    26,831.64/40,248.32 = 12,793.20/x
  3. Step 3: Cross multiply
    26,831.64x = 40,248.32 × 12,793.20
  4. Step 4: Simplify right side
    26,831.64x = 514,904,807.42
  5. Step 5: Solve for x
    x = 514,904,807.42/26,831.64
  6. Step 6: Final answer
    x = 19,190.21

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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.