Home / 31,424.95-43,360.21-17,627.72

Finding the Fourth Proportional to 31,424.95, 43,360.21 and 17,627.72

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Solution

The fourth proportional to 31,424.95, 43,360.21 and 17,627.72 is: 24,322.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,424.95 : 43,360.21 = 17,627.72 : x
  2. Step 2: Convert to fraction form
    31,424.95/43,360.21 = 17,627.72/x
  3. Step 3: Cross multiply
    31,424.95x = 43,360.21 × 17,627.72
  4. Step 4: Simplify right side
    31,424.95x = 764,341,641.02
  5. Step 5: Solve for x
    x = 764,341,641.02/31,424.95
  6. Step 6: Final answer
    x = 24,322.76

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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.