Home / 28,324.69-42,487.02-13,488.62

Finding the Fourth Proportional to 28,324.69, 42,487.02 and 13,488.62

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Solution

The fourth proportional to 28,324.69, 42,487.02 and 13,488.62 is: 20,232.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,324.69 : 42,487.02 = 13,488.62 : x
  2. Step 2: Convert to fraction form
    28,324.69/42,487.02 = 13,488.62/x
  3. Step 3: Cross multiply
    28,324.69x = 42,487.02 × 13,488.62
  4. Step 4: Simplify right side
    28,324.69x = 573,091,055.28
  5. Step 5: Solve for x
    x = 573,091,055.28/28,324.69
  6. Step 6: Final answer
    x = 20,232.92

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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.