Home / 23,765.89-32,787.34-13,688.95

Finding the Fourth Proportional to 23,765.89, 32,787.34 and 13,688.95

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Solution

The fourth proportional to 23,765.89, 32,787.34 and 13,688.95 is: 18,885.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,765.89 : 32,787.34 = 13,688.95 : x
  2. Step 2: Convert to fraction form
    23,765.89/32,787.34 = 13,688.95/x
  3. Step 3: Cross multiply
    23,765.89x = 32,787.34 × 13,688.95
  4. Step 4: Simplify right side
    23,765.89x = 448,824,299.43
  5. Step 5: Solve for x
    x = 448,824,299.43/23,765.89
  6. Step 6: Final answer
    x = 18,885.23

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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.