Home / 23,681.88-35,467.47-18,718.20

Finding the Fourth Proportional to 23,681.88, 35,467.47 and 18,718.20

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Solution

The fourth proportional to 23,681.88, 35,467.47 and 18,718.20 is: 28,033.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,681.88 : 35,467.47 = 18,718.20 : x
  2. Step 2: Convert to fraction form
    23,681.88/35,467.47 = 18,718.20/x
  3. Step 3: Cross multiply
    23,681.88x = 35,467.47 × 18,718.20
  4. Step 4: Simplify right side
    23,681.88x = 663,887,196.95
  5. Step 5: Solve for x
    x = 663,887,196.95/23,681.88
  6. Step 6: Final answer
    x = 28,033.55

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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.