Home / 39,827.28-59,742.32-13,528.60

Finding the Fourth Proportional to 39,827.28, 59,742.32 and 13,528.60

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Solution

The fourth proportional to 39,827.28, 59,742.32 and 13,528.60 is: 20,293.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,827.28 : 59,742.32 = 13,528.60 : x
  2. Step 2: Convert to fraction form
    39,827.28/59,742.32 = 13,528.60/x
  3. Step 3: Cross multiply
    39,827.28x = 59,742.32 × 13,528.60
  4. Step 4: Simplify right side
    39,827.28x = 808,229,950.35
  5. Step 5: Solve for x
    x = 808,229,950.35/39,827.28
  6. Step 6: Final answer
    x = 20,293.38

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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.