Home / 22,585.03-31,172.52-15,031.67

Finding the Fourth Proportional to 22,585.03, 31,172.52 and 15,031.67

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Solution

The fourth proportional to 22,585.03, 31,172.52 and 15,031.67 is: 20,747.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,585.03 : 31,172.52 = 15,031.67 : x
  2. Step 2: Convert to fraction form
    22,585.03/31,172.52 = 15,031.67/x
  3. Step 3: Cross multiply
    22,585.03x = 31,172.52 × 15,031.67
  4. Step 4: Simplify right side
    22,585.03x = 468,575,033.71
  5. Step 5: Solve for x
    x = 468,575,033.71/22,585.03
  6. Step 6: Final answer
    x = 20,747.15

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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.