Home / 26,357.69-39,549.53-12,318.68

Finding the Fourth Proportional to 26,357.69, 39,549.53 and 12,318.68

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Solution

The fourth proportional to 26,357.69, 39,549.53 and 12,318.68 is: 18,484.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,357.69 : 39,549.53 = 12,318.68 : x
  2. Step 2: Convert to fraction form
    26,357.69/39,549.53 = 12,318.68/x
  3. Step 3: Cross multiply
    26,357.69x = 39,549.53 × 12,318.68
  4. Step 4: Simplify right side
    26,357.69x = 487,198,133.89
  5. Step 5: Solve for x
    x = 487,198,133.89/26,357.69
  6. Step 6: Final answer
    x = 18,484.10

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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.