Home / 25,445.77-38,129.72-13,601.22

Finding the Fourth Proportional to 25,445.77, 38,129.72 and 13,601.22

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Solution

The fourth proportional to 25,445.77, 38,129.72 and 13,601.22 is: 20,381.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,445.77 : 38,129.72 = 13,601.22 : x
  2. Step 2: Convert to fraction form
    25,445.77/38,129.72 = 13,601.22/x
  3. Step 3: Cross multiply
    25,445.77x = 38,129.72 × 13,601.22
  4. Step 4: Simplify right side
    25,445.77x = 518,610,912.75
  5. Step 5: Solve for x
    x = 518,610,912.75/25,445.77
  6. Step 6: Final answer
    x = 20,381.03

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1.5x scale

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.