Home / 28,422.24-39,223.04-16,486.08

Finding the Fourth Proportional to 28,422.24, 39,223.04 and 16,486.08

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Solution

The fourth proportional to 28,422.24, 39,223.04 and 16,486.08 is: 22,750.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,422.24 : 39,223.04 = 16,486.08 : x
  2. Step 2: Convert to fraction form
    28,422.24/39,223.04 = 16,486.08/x
  3. Step 3: Cross multiply
    28,422.24x = 39,223.04 × 16,486.08
  4. Step 4: Simplify right side
    28,422.24x = 646,634,175.28
  5. Step 5: Solve for x
    x = 646,634,175.28/28,422.24
  6. Step 6: Final answer
    x = 22,750.99

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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.