Home / 28,165.02-38,860.08-16,829.46

Finding the Fourth Proportional to 28,165.02, 38,860.08 and 16,829.46

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Solution

The fourth proportional to 28,165.02, 38,860.08 and 16,829.46 is: 23,220.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,165.02 : 38,860.08 = 16,829.46 : x
  2. Step 2: Convert to fraction form
    28,165.02/38,860.08 = 16,829.46/x
  3. Step 3: Cross multiply
    28,165.02x = 38,860.08 × 16,829.46
  4. Step 4: Simplify right side
    28,165.02x = 653,994,161.96
  5. Step 5: Solve for x
    x = 653,994,161.96/28,165.02
  6. Step 6: Final answer
    x = 23,220.09

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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.