Home / 21,056.50-31,584.90-14,462.70

Finding the Fourth Proportional to 21,056.50, 31,584.90 and 14,462.70

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Solution

The fourth proportional to 21,056.50, 31,584.90 and 14,462.70 is: 21,694.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,056.50 : 31,584.90 = 14,462.70 : x
  2. Step 2: Convert to fraction form
    21,056.50/31,584.90 = 14,462.70/x
  3. Step 3: Cross multiply
    21,056.50x = 31,584.90 × 14,462.70
  4. Step 4: Simplify right side
    21,056.50x = 456,802,933.23
  5. Step 5: Solve for x
    x = 456,802,933.23/21,056.50
  6. Step 6: Final answer
    x = 21,694.15

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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.