Home / 58,427.28-87,651.81-18,973.80

Finding the Fourth Proportional to 58,427.28, 87,651.81 and 18,973.80

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Solution

The fourth proportional to 58,427.28, 87,651.81 and 18,973.80 is: 28,464.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,427.28 : 87,651.81 = 18,973.80 : x
  2. Step 2: Convert to fraction form
    58,427.28/87,651.81 = 18,973.80/x
  3. Step 3: Cross multiply
    58,427.28x = 87,651.81 × 18,973.80
  4. Step 4: Simplify right side
    58,427.28x = 1,663,087,912.58
  5. Step 5: Solve for x
    x = 1,663,087,912.58/58,427.28
  6. Step 6: Final answer
    x = 28,464.24

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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.