Home / 38,187.40-57,213.32-15,951.84

Finding the Fourth Proportional to 38,187.40, 57,213.32 and 15,951.84

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Solution

The fourth proportional to 38,187.40, 57,213.32 and 15,951.84 is: 23,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,187.40 : 57,213.32 = 15,951.84 : x
  2. Step 2: Convert to fraction form
    38,187.40/57,213.32 = 15,951.84/x
  3. Step 3: Cross multiply
    38,187.40x = 57,213.32 × 15,951.84
  4. Step 4: Simplify right side
    38,187.40x = 912,657,726.51
  5. Step 5: Solve for x
    x = 912,657,726.51/38,187.40
  6. Step 6: Final answer
    x = 23,899.45

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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.