Home / 21,956.84-30,303.30-12,527.24

Finding the Fourth Proportional to 21,956.84, 30,303.30 and 12,527.24

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Solution

The fourth proportional to 21,956.84, 30,303.30 and 12,527.24 is: 17,289.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,956.84 : 30,303.30 = 12,527.24 : x
  2. Step 2: Convert to fraction form
    21,956.84/30,303.30 = 12,527.24/x
  3. Step 3: Cross multiply
    21,956.84x = 30,303.30 × 12,527.24
  4. Step 4: Simplify right side
    21,956.84x = 379,616,711.89
  5. Step 5: Solve for x
    x = 379,616,711.89/21,956.84
  6. Step 6: Final answer
    x = 17,289.22

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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.