Home / 29,278.26-40,406.31-16,702.74

Finding the Fourth Proportional to 29,278.26, 40,406.31 and 16,702.74

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Solution

The fourth proportional to 29,278.26, 40,406.31 and 16,702.74 is: 23,051.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,278.26 : 40,406.31 = 16,702.74 : x
  2. Step 2: Convert to fraction form
    29,278.26/40,406.31 = 16,702.74/x
  3. Step 3: Cross multiply
    29,278.26x = 40,406.31 × 16,702.74
  4. Step 4: Simplify right side
    29,278.26x = 674,896,090.29
  5. Step 5: Solve for x
    x = 674,896,090.29/29,278.26
  6. Step 6: Final answer
    x = 23,051.10

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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.