Home / 26,807.70-36,996.29-15,479.27

Finding the Fourth Proportional to 26,807.70, 36,996.29 and 15,479.27

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Solution

The fourth proportional to 26,807.70, 36,996.29 and 15,479.27 is: 21,362.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,807.70 : 36,996.29 = 15,479.27 : x
  2. Step 2: Convert to fraction form
    26,807.70/36,996.29 = 15,479.27/x
  3. Step 3: Cross multiply
    26,807.70x = 36,996.29 × 15,479.27
  4. Step 4: Simplify right side
    26,807.70x = 572,675,561.91
  5. Step 5: Solve for x
    x = 572,675,561.91/26,807.70
  6. Step 6: Final answer
    x = 21,362.35

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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.