Home / 21,888.16-32,829.13-12,497.70

Finding the Fourth Proportional to 21,888.16, 32,829.13 and 12,497.70

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Solution

The fourth proportional to 21,888.16, 32,829.13 and 12,497.70 is: 18,744.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,888.16 : 32,829.13 = 12,497.70 : x
  2. Step 2: Convert to fraction form
    21,888.16/32,829.13 = 12,497.70/x
  3. Step 3: Cross multiply
    21,888.16x = 32,829.13 × 12,497.70
  4. Step 4: Simplify right side
    21,888.16x = 410,288,618.00
  5. Step 5: Solve for x
    x = 410,288,618.00/21,888.16
  6. Step 6: Final answer
    x = 18,744.77

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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.