Home / 29,178.32-40,265.55-16,431.45

Finding the Fourth Proportional to 29,178.32, 40,265.55 and 16,431.45

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Solution

The fourth proportional to 29,178.32, 40,265.55 and 16,431.45 is: 22,675.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,178.32 : 40,265.55 = 16,431.45 : x
  2. Step 2: Convert to fraction form
    29,178.32/40,265.55 = 16,431.45/x
  3. Step 3: Cross multiply
    29,178.32x = 40,265.55 × 16,431.45
  4. Step 4: Simplify right side
    29,178.32x = 661,621,371.55
  5. Step 5: Solve for x
    x = 661,621,371.55/29,178.32
  6. Step 6: Final answer
    x = 22,675.10

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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.