Home / 26,690.85-36,831.30-15,360.98

Finding the Fourth Proportional to 26,690.85, 36,831.30 and 15,360.98

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Solution

The fourth proportional to 26,690.85, 36,831.30 and 15,360.98 is: 21,196.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,690.85 : 36,831.30 = 15,360.98 : x
  2. Step 2: Convert to fraction form
    26,690.85/36,831.30 = 15,360.98/x
  3. Step 3: Cross multiply
    26,690.85x = 36,831.30 × 15,360.98
  4. Step 4: Simplify right side
    26,690.85x = 565,764,678.52
  5. Step 5: Solve for x
    x = 565,764,678.52/26,690.85
  6. Step 6: Final answer
    x = 21,196.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.