Home / 22,440.80-33,632.40-13,666.40

Finding the Fourth Proportional to 22,440.80, 33,632.40 and 13,666.40

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Solution

The fourth proportional to 22,440.80, 33,632.40 and 13,666.40 is: 20,482.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,440.80 : 33,632.40 = 13,666.40 : x
  2. Step 2: Convert to fraction form
    22,440.80/33,632.40 = 13,666.40/x
  3. Step 3: Cross multiply
    22,440.80x = 33,632.40 × 13,666.40
  4. Step 4: Simplify right side
    22,440.80x = 459,633,831.36
  5. Step 5: Solve for x
    x = 459,633,831.36/22,440.80
  6. Step 6: Final answer
    x = 20,482.06

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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.