Home / 31,427.26-43,369.95-17,280.07

Finding the Fourth Proportional to 31,427.26, 43,369.95 and 17,280.07

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Solution

The fourth proportional to 31,427.26, 43,369.95 and 17,280.07 is: 23,846.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,427.26 : 43,369.95 = 17,280.07 : x
  2. Step 2: Convert to fraction form
    31,427.26/43,369.95 = 17,280.07/x
  3. Step 3: Cross multiply
    31,427.26x = 43,369.95 × 17,280.07
  4. Step 4: Simplify right side
    31,427.26x = 749,435,771.90
  5. Step 5: Solve for x
    x = 749,435,771.90/31,427.26
  6. Step 6: Final answer
    x = 23,846.68

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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.