Home / 39,987.47-59,993.51-28,898.02

Finding the Fourth Proportional to 39,987.47, 59,993.51 and 28,898.02

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Solution

The fourth proportional to 39,987.47, 59,993.51 and 28,898.02 is: 43,355.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,987.47 : 59,993.51 = 28,898.02 : x
  2. Step 2: Convert to fraction form
    39,987.47/59,993.51 = 28,898.02/x
  3. Step 3: Cross multiply
    39,987.47x = 59,993.51 × 28,898.02
  4. Step 4: Simplify right side
    39,987.47x = 1,733,693,407.44
  5. Step 5: Solve for x
    x = 1,733,693,407.44/39,987.47
  6. Step 6: Final answer
    x = 43,355.91

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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.