Home / 19,932.60-27,507.40-10,980.48

Finding the Fourth Proportional to 19,932.60, 27,507.40 and 10,980.48

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Solution

The fourth proportional to 19,932.60, 27,507.40 and 10,980.48 is: 15,153.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.60 : 27,507.40 = 10,980.48 : x
  2. Step 2: Convert to fraction form
    19,932.60/27,507.40 = 10,980.48/x
  3. Step 3: Cross multiply
    19,932.60x = 27,507.40 × 10,980.48
  4. Step 4: Simplify right side
    19,932.60x = 302,044,455.55
  5. Step 5: Solve for x
    x = 302,044,455.55/19,932.60
  6. Step 6: Final answer
    x = 15,153.29

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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.