Home / 29,188.98-40,266.81-28,057.32

Finding the Fourth Proportional to 29,188.98, 40,266.81 and 28,057.32

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Solution

The fourth proportional to 29,188.98, 40,266.81 and 28,057.32 is: 38,705.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,188.98 : 40,266.81 = 28,057.32 : x
  2. Step 2: Convert to fraction form
    29,188.98/40,266.81 = 28,057.32/x
  3. Step 3: Cross multiply
    29,188.98x = 40,266.81 × 28,057.32
  4. Step 4: Simplify right side
    29,188.98x = 1,129,778,773.55
  5. Step 5: Solve for x
    x = 1,129,778,773.55/29,188.98
  6. Step 6: Final answer
    x = 38,705.66

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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.