Home / 23,099.55-31,880.30-13,028.55

Finding the Fourth Proportional to 23,099.55, 31,880.30 and 13,028.55

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Solution

The fourth proportional to 23,099.55, 31,880.30 and 13,028.55 is: 17,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,099.55 : 31,880.30 = 13,028.55 : x
  2. Step 2: Convert to fraction form
    23,099.55/31,880.30 = 13,028.55/x
  3. Step 3: Cross multiply
    23,099.55x = 31,880.30 × 13,028.55
  4. Step 4: Simplify right side
    23,099.55x = 415,354,082.57
  5. Step 5: Solve for x
    x = 415,354,082.57/23,099.55
  6. Step 6: Final answer
    x = 17,981.05

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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.