Home / 28,667.66-42,984.45-10,899.62

Finding the Fourth Proportional to 28,667.66, 42,984.45 and 10,899.62

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Solution

The fourth proportional to 28,667.66, 42,984.45 and 10,899.62 is: 16,342.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,667.66 : 42,984.45 = 10,899.62 : x
  2. Step 2: Convert to fraction form
    28,667.66/42,984.45 = 10,899.62/x
  3. Step 3: Cross multiply
    28,667.66x = 42,984.45 × 10,899.62
  4. Step 4: Simplify right side
    28,667.66x = 468,514,152.20
  5. Step 5: Solve for x
    x = 468,514,152.20/28,667.66
  6. Step 6: Final answer
    x = 16,342.95

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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.