Home / 21,831.18-32,715.76-16,814.58

Finding the Fourth Proportional to 21,831.18, 32,715.76 and 16,814.58

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Solution

The fourth proportional to 21,831.18, 32,715.76 and 16,814.58 is: 25,197.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,831.18 : 32,715.76 = 16,814.58 : x
  2. Step 2: Convert to fraction form
    21,831.18/32,715.76 = 16,814.58/x
  3. Step 3: Cross multiply
    21,831.18x = 32,715.76 × 16,814.58
  4. Step 4: Simplify right side
    21,831.18x = 550,101,763.78
  5. Step 5: Solve for x
    x = 550,101,763.78/21,831.18
  6. Step 6: Final answer
    x = 25,197.99

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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.