Home / 26,815.08-40,210.12-9,947.42

Finding the Fourth Proportional to 26,815.08, 40,210.12 and 9,947.42

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Solution

The fourth proportional to 26,815.08, 40,210.12 and 9,947.42 is: 14,916.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,815.08 : 40,210.12 = 9,947.42 : x
  2. Step 2: Convert to fraction form
    26,815.08/40,210.12 = 9,947.42/x
  3. Step 3: Cross multiply
    26,815.08x = 40,210.12 × 9,947.42
  4. Step 4: Simplify right side
    26,815.08x = 399,986,914.06
  5. Step 5: Solve for x
    x = 399,986,914.06/26,815.08
  6. Step 6: Final answer
    x = 14,916.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.