Home / 29,618.73-40,876.38-16,875.81

Finding the Fourth Proportional to 29,618.73, 40,876.38 and 16,875.81

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Solution

The fourth proportional to 29,618.73, 40,876.38 and 16,875.81 is: 23,290.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,618.73 : 40,876.38 = 16,875.81 : x
  2. Step 2: Convert to fraction form
    29,618.73/40,876.38 = 16,875.81/x
  3. Step 3: Cross multiply
    29,618.73x = 40,876.38 × 16,875.81
  4. Step 4: Simplify right side
    29,618.73x = 689,822,022.37
  5. Step 5: Solve for x
    x = 689,822,022.37/29,618.73
  6. Step 6: Final answer
    x = 23,290.06

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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.