Home / 19,031.40-28,551.42-10,266.12

Finding the Fourth Proportional to 19,031.40, 28,551.42 and 10,266.12

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Solution

The fourth proportional to 19,031.40, 28,551.42 and 10,266.12 is: 15,401.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031.40 : 28,551.42 = 10,266.12 : x
  2. Step 2: Convert to fraction form
    19,031.40/28,551.42 = 10,266.12/x
  3. Step 3: Cross multiply
    19,031.40x = 28,551.42 × 10,266.12
  4. Step 4: Simplify right side
    19,031.40x = 293,112,303.89
  5. Step 5: Solve for x
    x = 293,112,303.89/19,031.40
  6. Step 6: Final answer
    x = 15,401.51

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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.