Home / 28,394.72-42,594.14-11,519.63

Finding the Fourth Proportional to 28,394.72, 42,594.14 and 11,519.63

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Solution

The fourth proportional to 28,394.72, 42,594.14 and 11,519.63 is: 17,280.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,394.72 : 42,594.14 = 11,519.63 : x
  2. Step 2: Convert to fraction form
    28,394.72/42,594.14 = 11,519.63/x
  3. Step 3: Cross multiply
    28,394.72x = 42,594.14 × 11,519.63
  4. Step 4: Simplify right side
    28,394.72x = 490,668,462.40
  5. Step 5: Solve for x
    x = 490,668,462.40/28,394.72
  6. Step 6: Final answer
    x = 17,280.27

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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.