Home / 21,041.00-31,576.30-19,031.09

Finding the Fourth Proportional to 21,041.00, 31,576.30 and 19,031.09

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Solution

The fourth proportional to 21,041.00, 31,576.30 and 19,031.09 is: 28,560.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,041.00 : 31,576.30 = 19,031.09 : x
  2. Step 2: Convert to fraction form
    21,041.00/31,576.30 = 19,031.09/x
  3. Step 3: Cross multiply
    21,041.00x = 31,576.30 × 19,031.09
  4. Step 4: Simplify right side
    21,041.00x = 600,931,201.71
  5. Step 5: Solve for x
    x = 600,931,201.71/21,041.00
  6. Step 6: Final answer
    x = 28,560.01

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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.