Home / 19,587.10-27,031.87-11,090.72

Finding the Fourth Proportional to 19,587.10, 27,031.87 and 11,090.72

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Solution

The fourth proportional to 19,587.10, 27,031.87 and 11,090.72 is: 15,306.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.10 : 27,031.87 = 11,090.72 : x
  2. Step 2: Convert to fraction form
    19,587.10/27,031.87 = 11,090.72/x
  3. Step 3: Cross multiply
    19,587.10x = 27,031.87 × 11,090.72
  4. Step 4: Simplify right side
    19,587.10x = 299,802,710.63
  5. Step 5: Solve for x
    x = 299,802,710.63/19,587.10
  6. Step 6: Final answer
    x = 15,306.13

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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.