Home / 19,929.82-27,503.34-10,977.52

Finding the Fourth Proportional to 19,929.82, 27,503.34 and 10,977.52

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Solution

The fourth proportional to 19,929.82, 27,503.34 and 10,977.52 is: 15,149.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929.82 : 27,503.34 = 10,977.52 : x
  2. Step 2: Convert to fraction form
    19,929.82/27,503.34 = 10,977.52/x
  3. Step 3: Cross multiply
    19,929.82x = 27,503.34 × 10,977.52
  4. Step 4: Simplify right side
    19,929.82x = 301,918,464.92
  5. Step 5: Solve for x
    x = 301,918,464.92/19,929.82
  6. Step 6: Final answer
    x = 15,149.08

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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.