Home / 28,486.26-42,755.64-14,456.13

Finding the Fourth Proportional to 28,486.26, 42,755.64 and 14,456.13

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Solution

The fourth proportional to 28,486.26, 42,755.64 and 14,456.13 is: 21,697.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,486.26 : 42,755.64 = 14,456.13 : x
  2. Step 2: Convert to fraction form
    28,486.26/42,755.64 = 14,456.13/x
  3. Step 3: Cross multiply
    28,486.26x = 42,755.64 × 14,456.13
  4. Step 4: Simplify right side
    28,486.26x = 618,081,090.07
  5. Step 5: Solve for x
    x = 618,081,090.07/28,486.26
  6. Step 6: Final answer
    x = 21,697.52

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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.