Home / 28,718.52-39,624.06-16,775.07

Finding the Fourth Proportional to 28,718.52, 39,624.06 and 16,775.07

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Solution

The fourth proportional to 28,718.52, 39,624.06 and 16,775.07 is: 23,145.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,718.52 : 39,624.06 = 16,775.07 : x
  2. Step 2: Convert to fraction form
    28,718.52/39,624.06 = 16,775.07/x
  3. Step 3: Cross multiply
    28,718.52x = 39,624.06 × 16,775.07
  4. Step 4: Simplify right side
    28,718.52x = 664,696,380.18
  5. Step 5: Solve for x
    x = 664,696,380.18/28,718.52
  6. Step 6: Final answer
    x = 23,145.22

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1.5x scale

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.