Home / 29,378.74-40,527.62-18,757.20

Finding the Fourth Proportional to 29,378.74, 40,527.62 and 18,757.20

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Solution

The fourth proportional to 29,378.74, 40,527.62 and 18,757.20 is: 25,875.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,378.74 : 40,527.62 = 18,757.20 : x
  2. Step 2: Convert to fraction form
    29,378.74/40,527.62 = 18,757.20/x
  3. Step 3: Cross multiply
    29,378.74x = 40,527.62 × 18,757.20
  4. Step 4: Simplify right side
    29,378.74x = 760,184,673.86
  5. Step 5: Solve for x
    x = 760,184,673.86/29,378.74
  6. Step 6: Final answer
    x = 25,875.33

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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.