Home / 29,368.43-40,528.74-15,939.80

Finding the Fourth Proportional to 29,368.43, 40,528.74 and 15,939.80

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Solution

The fourth proportional to 29,368.43, 40,528.74 and 15,939.80 is: 21,997.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,368.43 : 40,528.74 = 15,939.80 : x
  2. Step 2: Convert to fraction form
    29,368.43/40,528.74 = 15,939.80/x
  3. Step 3: Cross multiply
    29,368.43x = 40,528.74 × 15,939.80
  4. Step 4: Simplify right side
    29,368.43x = 646,020,009.85
  5. Step 5: Solve for x
    x = 646,020,009.85/29,368.43
  6. Step 6: Final answer
    x = 21,997.09

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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.