Home / 29,368.64-40,528.34-15,940.39

Finding the Fourth Proportional to 29,368.64, 40,528.34 and 15,940.39

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Solution

The fourth proportional to 29,368.64, 40,528.34 and 15,940.39 is: 21,997.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,368.64 : 40,528.34 = 15,940.39 : x
  2. Step 2: Convert to fraction form
    29,368.64/40,528.34 = 15,940.39/x
  3. Step 3: Cross multiply
    29,368.64x = 40,528.34 × 15,940.39
  4. Step 4: Simplify right side
    29,368.64x = 646,037,545.65
  5. Step 5: Solve for x
    x = 646,037,545.65/29,368.64
  6. Step 6: Final answer
    x = 21,997.53

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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.