Home / 29,027.12-40,001.26-19,579.28

Finding the Fourth Proportional to 29,027.12, 40,001.26 and 19,579.28

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Solution

The fourth proportional to 29,027.12, 40,001.26 and 19,579.28 is: 26,981.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,027.12 : 40,001.26 = 19,579.28 : x
  2. Step 2: Convert to fraction form
    29,027.12/40,001.26 = 19,579.28/x
  3. Step 3: Cross multiply
    29,027.12x = 40,001.26 × 19,579.28
  4. Step 4: Simplify right side
    29,027.12x = 783,195,869.89
  5. Step 5: Solve for x
    x = 783,195,869.89/29,027.12
  6. Step 6: Final answer
    x = 26,981.52

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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.