Home / 28,293.98-42,434.03-10,279.26

Finding the Fourth Proportional to 28,293.98, 42,434.03 and 10,279.26

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Solution

The fourth proportional to 28,293.98, 42,434.03 and 10,279.26 is: 15,416.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293.98 : 42,434.03 = 10,279.26 : x
  2. Step 2: Convert to fraction form
    28,293.98/42,434.03 = 10,279.26/x
  3. Step 3: Cross multiply
    28,293.98x = 42,434.03 × 10,279.26
  4. Step 4: Simplify right side
    28,293.98x = 436,190,427.22
  5. Step 5: Solve for x
    x = 436,190,427.22/28,293.98
  6. Step 6: Final answer
    x = 15,416.37

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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.