Home / 26,689.50-36,833.70-15,513.66

Finding the Fourth Proportional to 26,689.50, 36,833.70 and 15,513.66

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Solution

The fourth proportional to 26,689.50, 36,833.70 and 15,513.66 is: 21,410.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,689.50 : 36,833.70 = 15,513.66 : x
  2. Step 2: Convert to fraction form
    26,689.50/36,833.70 = 15,513.66/x
  3. Step 3: Cross multiply
    26,689.50x = 36,833.70 × 15,513.66
  4. Step 4: Simplify right side
    26,689.50x = 571,425,498.34
  5. Step 5: Solve for x
    x = 571,425,498.34/26,689.50
  6. Step 6: Final answer
    x = 21,410.12

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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.