Home / 29,368.21-40,528.25-15,939.48

Finding the Fourth Proportional to 29,368.21, 40,528.25 and 15,939.48

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Solution

The fourth proportional to 29,368.21, 40,528.25 and 15,939.48 is: 21,996.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,368.21 : 40,528.25 = 15,939.48 : x
  2. Step 2: Convert to fraction form
    29,368.21/40,528.25 = 15,939.48/x
  3. Step 3: Cross multiply
    29,368.21x = 40,528.25 × 15,939.48
  4. Step 4: Simplify right side
    29,368.21x = 645,999,150.61
  5. Step 5: Solve for x
    x = 645,999,150.61/29,368.21
  6. Step 6: Final answer
    x = 21,996.55

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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.