Home / 43,752.78-65,612.40-15,667.56

Finding the Fourth Proportional to 43,752.78, 65,612.40 and 15,667.56

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Solution

The fourth proportional to 43,752.78, 65,612.40 and 15,667.56 is: 23,495.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,752.78 : 65,612.40 = 15,667.56 : x
  2. Step 2: Convert to fraction form
    43,752.78/65,612.40 = 15,667.56/x
  3. Step 3: Cross multiply
    43,752.78x = 65,612.40 × 15,667.56
  4. Step 4: Simplify right side
    43,752.78x = 1,027,986,213.74
  5. Step 5: Solve for x
    x = 1,027,986,213.74/43,752.78
  6. Step 6: Final answer
    x = 23,495.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.