Home / 28,059.88-38,722.44-15,484.66

Finding the Fourth Proportional to 28,059.88, 38,722.44 and 15,484.66

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Solution

The fourth proportional to 28,059.88, 38,722.44 and 15,484.66 is: 21,368.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,059.88 : 38,722.44 = 15,484.66 : x
  2. Step 2: Convert to fraction form
    28,059.88/38,722.44 = 15,484.66/x
  3. Step 3: Cross multiply
    28,059.88x = 38,722.44 × 15,484.66
  4. Step 4: Simplify right side
    28,059.88x = 599,603,817.77
  5. Step 5: Solve for x
    x = 599,603,817.77/28,059.88
  6. Step 6: Final answer
    x = 21,368.72

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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.