Home / 26,715.08-36,878.15-16,648.49

Finding the Fourth Proportional to 26,715.08, 36,878.15 and 16,648.49

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Solution

The fourth proportional to 26,715.08, 36,878.15 and 16,648.49 is: 22,981.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,715.08 : 36,878.15 = 16,648.49 : x
  2. Step 2: Convert to fraction form
    26,715.08/36,878.15 = 16,648.49/x
  3. Step 3: Cross multiply
    26,715.08x = 36,878.15 × 16,648.49
  4. Step 4: Simplify right side
    26,715.08x = 613,965,511.49
  5. Step 5: Solve for x
    x = 613,965,511.49/26,715.08
  6. Step 6: Final answer
    x = 22,981.98

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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.