Home / 19,880.24-29,820.29-10,027.80

Finding the Fourth Proportional to 19,880.24, 29,820.29 and 10,027.80

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Solution

The fourth proportional to 19,880.24, 29,820.29 and 10,027.80 is: 15,041.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,880.24 : 29,820.29 = 10,027.80 : x
  2. Step 2: Convert to fraction form
    19,880.24/29,820.29 = 10,027.80/x
  3. Step 3: Cross multiply
    19,880.24x = 29,820.29 × 10,027.80
  4. Step 4: Simplify right side
    19,880.24x = 299,031,853.92
  5. Step 5: Solve for x
    x = 299,031,853.92/19,880.24
  6. Step 6: Final answer
    x = 15,041.67

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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.