Home / 35,912.64-53,869.38-13,728.18

Finding the Fourth Proportional to 35,912.64, 53,869.38 and 13,728.18

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Solution

The fourth proportional to 35,912.64, 53,869.38 and 13,728.18 is: 20,592.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,912.64 : 53,869.38 = 13,728.18 : x
  2. Step 2: Convert to fraction form
    35,912.64/53,869.38 = 13,728.18/x
  3. Step 3: Cross multiply
    35,912.64x = 53,869.38 × 13,728.18
  4. Step 4: Simplify right side
    35,912.64x = 739,528,545.13
  5. Step 5: Solve for x
    x = 739,528,545.13/35,912.64
  6. Step 6: Final answer
    x = 20,592.43

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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.