Home / 28,216.01-42,310.75-10,434.39

Finding the Fourth Proportional to 28,216.01, 42,310.75 and 10,434.39

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Solution

The fourth proportional to 28,216.01, 42,310.75 and 10,434.39 is: 15,646.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,216.01 : 42,310.75 = 10,434.39 : x
  2. Step 2: Convert to fraction form
    28,216.01/42,310.75 = 10,434.39/x
  3. Step 3: Cross multiply
    28,216.01x = 42,310.75 × 10,434.39
  4. Step 4: Simplify right side
    28,216.01x = 441,486,866.69
  5. Step 5: Solve for x
    x = 441,486,866.69/28,216.01
  6. Step 6: Final answer
    x = 15,646.68

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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.