Home / 20,267.06-30,411.28-14,381.96

Finding the Fourth Proportional to 20,267.06, 30,411.28 and 14,381.96

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Solution

The fourth proportional to 20,267.06, 30,411.28 and 14,381.96 is: 21,580.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,267.06 : 30,411.28 = 14,381.96 : x
  2. Step 2: Convert to fraction form
    20,267.06/30,411.28 = 14,381.96/x
  3. Step 3: Cross multiply
    20,267.06x = 30,411.28 × 14,381.96
  4. Step 4: Simplify right side
    20,267.06x = 437,373,812.51
  5. Step 5: Solve for x
    x = 437,373,812.51/20,267.06
  6. Step 6: Final answer
    x = 21,580.53

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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.