Home / 26,309.25-36,307.62-15,131.25

Finding the Fourth Proportional to 26,309.25, 36,307.62 and 15,131.25

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Solution

The fourth proportional to 26,309.25, 36,307.62 and 15,131.25 is: 20,881.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,309.25 : 36,307.62 = 15,131.25 : x
  2. Step 2: Convert to fraction form
    26,309.25/36,307.62 = 15,131.25/x
  3. Step 3: Cross multiply
    26,309.25x = 36,307.62 × 15,131.25
  4. Step 4: Simplify right side
    26,309.25x = 549,379,675.13
  5. Step 5: Solve for x
    x = 549,379,675.13/26,309.25
  6. Step 6: Final answer
    x = 20,881.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.