Home / 16,625.66-22,946.25-15,878.30

Finding the Fourth Proportional to 16,625.66, 22,946.25 and 15,878.30

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Solution

The fourth proportional to 16,625.66, 22,946.25 and 15,878.30 is: 21,914.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,625.66 : 22,946.25 = 15,878.30 : x
  2. Step 2: Convert to fraction form
    16,625.66/22,946.25 = 15,878.30/x
  3. Step 3: Cross multiply
    16,625.66x = 22,946.25 × 15,878.30
  4. Step 4: Simplify right side
    16,625.66x = 364,347,386.19
  5. Step 5: Solve for x
    x = 364,347,386.19/16,625.66
  6. Step 6: Final answer
    x = 21,914.77

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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.