Home / 27,226.05-40,784.40-18,368.70

Finding the Fourth Proportional to 27,226.05, 40,784.40 and 18,368.70

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Solution

The fourth proportional to 27,226.05, 40,784.40 and 18,368.70 is: 27,516.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,226.05 : 40,784.40 = 18,368.70 : x
  2. Step 2: Convert to fraction form
    27,226.05/40,784.40 = 18,368.70/x
  3. Step 3: Cross multiply
    27,226.05x = 40,784.40 × 18,368.70
  4. Step 4: Simplify right side
    27,226.05x = 749,156,408.28
  5. Step 5: Solve for x
    x = 749,156,408.28/27,226.05
  6. Step 6: Final answer
    x = 27,516.16

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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.