Home / 25,142.94-34,702.13-16,645.22

Finding the Fourth Proportional to 25,142.94, 34,702.13 and 16,645.22

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Solution

The fourth proportional to 25,142.94, 34,702.13 and 16,645.22 is: 22,973.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,142.94 : 34,702.13 = 16,645.22 : x
  2. Step 2: Convert to fraction form
    25,142.94/34,702.13 = 16,645.22/x
  3. Step 3: Cross multiply
    25,142.94x = 34,702.13 × 16,645.22
  4. Step 4: Simplify right side
    25,142.94x = 577,624,588.32
  5. Step 5: Solve for x
    x = 577,624,588.32/25,142.94
  6. Step 6: Final answer
    x = 22,973.63

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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.