Home / 29,184.24-40,270.20-16,435.28

Finding the Fourth Proportional to 29,184.24, 40,270.20 and 16,435.28

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Solution

The fourth proportional to 29,184.24, 40,270.20 and 16,435.28 is: 22,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,184.24 : 40,270.20 = 16,435.28 : x
  2. Step 2: Convert to fraction form
    29,184.24/40,270.20 = 16,435.28/x
  3. Step 3: Cross multiply
    29,184.24x = 40,270.20 × 16,435.28
  4. Step 4: Simplify right side
    29,184.24x = 661,852,012.66
  5. Step 5: Solve for x
    x = 661,852,012.66/29,184.24
  6. Step 6: Final answer
    x = 22,678.40

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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.