Home / 23,031.16-34,539.40-9,880

Finding the Fourth Proportional to 23,031.16, 34,539.40 and 9,880

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Solution

The fourth proportional to 23,031.16, 34,539.40 and 9,880 is: 14,816.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,031.16 : 34,539.40 = 9,880 : x
  2. Step 2: Convert to fraction form
    23,031.16/34,539.40 = 9,880/x
  3. Step 3: Cross multiply
    23,031.16x = 34,539.40 × 9,880
  4. Step 4: Simplify right side
    23,031.16x = 341,249,272
  5. Step 5: Solve for x
    x = 341,249,272/23,031.16
  6. Step 6: Final answer
    x = 14,816.85

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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.