Home / 26,930.12-40,376.95-9,390.38

Finding the Fourth Proportional to 26,930.12, 40,376.95 and 9,390.38

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Solution

The fourth proportional to 26,930.12, 40,376.95 and 9,390.38 is: 14,079.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,930.12 : 40,376.95 = 9,390.38 : x
  2. Step 2: Convert to fraction form
    26,930.12/40,376.95 = 9,390.38/x
  3. Step 3: Cross multiply
    26,930.12x = 40,376.95 × 9,390.38
  4. Step 4: Simplify right side
    26,930.12x = 379,154,678.38
  5. Step 5: Solve for x
    x = 379,154,678.38/26,930.12
  6. Step 6: Final answer
    x = 14,079.21

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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.