Home / 28,985.36-39,700.10-27,283.14

Finding the Fourth Proportional to 28,985.36, 39,700.10 and 27,283.14

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Solution

The fourth proportional to 28,985.36, 39,700.10 and 27,283.14 is: 37,368.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,985.36 : 39,700.10 = 27,283.14 : x
  2. Step 2: Convert to fraction form
    28,985.36/39,700.10 = 27,283.14/x
  3. Step 3: Cross multiply
    28,985.36x = 39,700.10 × 27,283.14
  4. Step 4: Simplify right side
    28,985.36x = 1,083,143,454.52
  5. Step 5: Solve for x
    x = 1,083,143,454.52/28,985.36
  6. Step 6: Final answer
    x = 37,368.65

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.