Home / 28,602.69-39,470.28-16,025.01

Finding the Fourth Proportional to 28,602.69, 39,470.28 and 16,025.01

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Solution

The fourth proportional to 28,602.69, 39,470.28 and 16,025.01 is: 22,113.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,602.69 : 39,470.28 = 16,025.01 : x
  2. Step 2: Convert to fraction form
    28,602.69/39,470.28 = 16,025.01/x
  3. Step 3: Cross multiply
    28,602.69x = 39,470.28 × 16,025.01
  4. Step 4: Simplify right side
    28,602.69x = 632,511,631.70
  5. Step 5: Solve for x
    x = 632,511,631.70/28,602.69
  6. Step 6: Final answer
    x = 22,113.71

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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.