Home / 39,988.47-59,995.01-28,899.02

Finding the Fourth Proportional to 39,988.47, 59,995.01 and 28,899.02

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Solution

The fourth proportional to 39,988.47, 59,995.01 and 28,899.02 is: 43,357.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,988.47 : 59,995.01 = 28,899.02 : x
  2. Step 2: Convert to fraction form
    39,988.47/59,995.01 = 28,899.02/x
  3. Step 3: Cross multiply
    39,988.47x = 59,995.01 × 28,899.02
  4. Step 4: Simplify right side
    39,988.47x = 1,733,796,993.89
  5. Step 5: Solve for x
    x = 1,733,796,993.89/39,988.47
  6. Step 6: Final answer
    x = 43,357.42

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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.