Home / 26,460.18-36,515.74-15,131.52

Finding the Fourth Proportional to 26,460.18, 36,515.74 and 15,131.52

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Solution

The fourth proportional to 26,460.18, 36,515.74 and 15,131.52 is: 20,881.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,460.18 : 36,515.74 = 15,131.52 : x
  2. Step 2: Convert to fraction form
    26,460.18/36,515.74 = 15,131.52/x
  3. Step 3: Cross multiply
    26,460.18x = 36,515.74 × 15,131.52
  4. Step 4: Simplify right side
    26,460.18x = 552,538,650.12
  5. Step 5: Solve for x
    x = 552,538,650.12/26,460.18
  6. Step 6: Final answer
    x = 20,881.89

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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.