Home / 39,690.24-59,548.32-28,587.84

Finding the Fourth Proportional to 39,690.24, 59,548.32 and 28,587.84

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Solution

The fourth proportional to 39,690.24, 59,548.32 and 28,587.84 is: 42,891.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,690.24 : 59,548.32 = 28,587.84 : x
  2. Step 2: Convert to fraction form
    39,690.24/59,548.32 = 28,587.84/x
  3. Step 3: Cross multiply
    39,690.24x = 59,548.32 × 28,587.84
  4. Step 4: Simplify right side
    39,690.24x = 1,702,357,844.43
  5. Step 5: Solve for x
    x = 1,702,357,844.43/39,690.24
  6. Step 6: Final answer
    x = 42,891.09

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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.