Home / 23,017.26-31,759.05-13,455.30

Finding the Fourth Proportional to 23,017.26, 31,759.05 and 13,455.30

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Solution

The fourth proportional to 23,017.26, 31,759.05 and 13,455.30 is: 18,565.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,017.26 : 31,759.05 = 13,455.30 : x
  2. Step 2: Convert to fraction form
    23,017.26/31,759.05 = 13,455.30/x
  3. Step 3: Cross multiply
    23,017.26x = 31,759.05 × 13,455.30
  4. Step 4: Simplify right side
    23,017.26x = 427,327,386.67
  5. Step 5: Solve for x
    x = 427,327,386.67/23,017.26
  6. Step 6: Final answer
    x = 18,565.52

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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.