Home / 23,000.72-31,755.51-15,056.37

Finding the Fourth Proportional to 23,000.72, 31,755.51 and 15,056.37

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Solution

The fourth proportional to 23,000.72, 31,755.51 and 15,056.37 is: 20,787.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,000.72 : 31,755.51 = 15,056.37 : x
  2. Step 2: Convert to fraction form
    23,000.72/31,755.51 = 15,056.37/x
  3. Step 3: Cross multiply
    23,000.72x = 31,755.51 × 15,056.37
  4. Step 4: Simplify right side
    23,000.72x = 478,122,708.10
  5. Step 5: Solve for x
    x = 478,122,708.10/23,000.72
  6. Step 6: Final answer
    x = 20,787.30

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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.