Home / 26,686.24-36,827.40-15,508.24

Finding the Fourth Proportional to 26,686.24, 36,827.40 and 15,508.24

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Solution

The fourth proportional to 26,686.24, 36,827.40 and 15,508.24 is: 21,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,686.24 : 36,827.40 = 15,508.24 : x
  2. Step 2: Convert to fraction form
    26,686.24/36,827.40 = 15,508.24/x
  3. Step 3: Cross multiply
    26,686.24x = 36,827.40 × 15,508.24
  4. Step 4: Simplify right side
    26,686.24x = 571,128,157.78
  5. Step 5: Solve for x
    x = 571,128,157.78/26,686.24
  6. Step 6: Final answer
    x = 21,401.60

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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.