Home / 28,146.06-38,824.63-18,586.03

Finding the Fourth Proportional to 28,146.06, 38,824.63 and 18,586.03

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Solution

The fourth proportional to 28,146.06, 38,824.63 and 18,586.03 is: 25,637.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,146.06 : 38,824.63 = 18,586.03 : x
  2. Step 2: Convert to fraction form
    28,146.06/38,824.63 = 18,586.03/x
  3. Step 3: Cross multiply
    28,146.06x = 38,824.63 × 18,586.03
  4. Step 4: Simplify right side
    28,146.06x = 721,595,737.92
  5. Step 5: Solve for x
    x = 721,595,737.92/28,146.06
  6. Step 6: Final answer
    x = 25,637.54

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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.