Home / 21,623.04-29,831.76-14,538.24

Finding the Fourth Proportional to 21,623.04, 29,831.76 and 14,538.24

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Solution

The fourth proportional to 21,623.04, 29,831.76 and 14,538.24 is: 20,057.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,623.04 : 29,831.76 = 14,538.24 : x
  2. Step 2: Convert to fraction form
    21,623.04/29,831.76 = 14,538.24/x
  3. Step 3: Cross multiply
    21,623.04x = 29,831.76 × 14,538.24
  4. Step 4: Simplify right side
    21,623.04x = 433,701,286.50
  5. Step 5: Solve for x
    x = 433,701,286.50/21,623.04
  6. Step 6: Final answer
    x = 20,057.37

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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.