Home / 38,288.40-57,409.08-14,887.56

Finding the Fourth Proportional to 38,288.40, 57,409.08 and 14,887.56

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Solution

The fourth proportional to 38,288.40, 57,409.08 and 14,887.56 is: 22,322.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,288.40 : 57,409.08 = 14,887.56 : x
  2. Step 2: Convert to fraction form
    38,288.40/57,409.08 = 14,887.56/x
  3. Step 3: Cross multiply
    38,288.40x = 57,409.08 × 14,887.56
  4. Step 4: Simplify right side
    38,288.40x = 854,681,123.04
  5. Step 5: Solve for x
    x = 854,681,123.04/38,288.40
  6. Step 6: Final answer
    x = 22,322.19

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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.