Home / 28,985.14-43,477.76-9,265.29

Finding the Fourth Proportional to 28,985.14, 43,477.76 and 9,265.29

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Solution

The fourth proportional to 28,985.14, 43,477.76 and 9,265.29 is: 13,897.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,985.14 : 43,477.76 = 9,265.29 : x
  2. Step 2: Convert to fraction form
    28,985.14/43,477.76 = 9,265.29/x
  3. Step 3: Cross multiply
    28,985.14x = 43,477.76 × 9,265.29
  4. Step 4: Simplify right side
    28,985.14x = 402,833,915.07
  5. Step 5: Solve for x
    x = 402,833,915.07/28,985.14
  6. Step 6: Final answer
    x = 13,897.95

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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.