Home / 23,889.85-32,880.97-21,038.56

Finding the Fourth Proportional to 23,889.85, 32,880.97 and 21,038.56

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Solution

The fourth proportional to 23,889.85, 32,880.97 and 21,038.56 is: 28,956.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,889.85 : 32,880.97 = 21,038.56 : x
  2. Step 2: Convert to fraction form
    23,889.85/32,880.97 = 21,038.56/x
  3. Step 3: Cross multiply
    23,889.85x = 32,880.97 × 21,038.56
  4. Step 4: Simplify right side
    23,889.85x = 691,768,207.61
  5. Step 5: Solve for x
    x = 691,768,207.61/23,889.85
  6. Step 6: Final answer
    x = 28,956.57

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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.