Home / 26,782.18-36,963.34-15,449.47

Finding the Fourth Proportional to 26,782.18, 36,963.34 and 15,449.47

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Solution

The fourth proportional to 26,782.18, 36,963.34 and 15,449.47 is: 21,322.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,782.18 : 36,963.34 = 15,449.47 : x
  2. Step 2: Convert to fraction form
    26,782.18/36,963.34 = 15,449.47/x
  3. Step 3: Cross multiply
    26,782.18x = 36,963.34 × 15,449.47
  4. Step 4: Simplify right side
    26,782.18x = 571,063,881.40
  5. Step 5: Solve for x
    x = 571,063,881.40/26,782.18
  6. Step 6: Final answer
    x = 21,322.53

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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.