Home / 26,726.26-36,886.13-15,393.55

Finding the Fourth Proportional to 26,726.26, 36,886.13 and 15,393.55

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Solution

The fourth proportional to 26,726.26, 36,886.13 and 15,393.55 is: 21,245.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,726.26 : 36,886.13 = 15,393.55 : x
  2. Step 2: Convert to fraction form
    26,726.26/36,886.13 = 15,393.55/x
  3. Step 3: Cross multiply
    26,726.26x = 36,886.13 × 15,393.55
  4. Step 4: Simplify right side
    26,726.26x = 567,808,486.46
  5. Step 5: Solve for x
    x = 567,808,486.46/26,726.26
  6. Step 6: Final answer
    x = 21,245.34

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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.