Home / 28,897.09-43,347.14-9,177.19

Finding the Fourth Proportional to 28,897.09, 43,347.14 and 9,177.19

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Solution

The fourth proportional to 28,897.09, 43,347.14 and 9,177.19 is: 13,766.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,897.09 : 43,347.14 = 9,177.19 : x
  2. Step 2: Convert to fraction form
    28,897.09/43,347.14 = 9,177.19/x
  3. Step 3: Cross multiply
    28,897.09x = 43,347.14 × 9,177.19
  4. Step 4: Simplify right side
    28,897.09x = 397,804,893.85
  5. Step 5: Solve for x
    x = 397,804,893.85/28,897.09
  6. Step 6: Final answer
    x = 13,766.26

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1.5x scale

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.