Home / 26,570.48-39,801.84-12,318.92

Finding the Fourth Proportional to 26,570.48, 39,801.84 and 12,318.92

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Solution

The fourth proportional to 26,570.48, 39,801.84 and 12,318.92 is: 18,453.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,570.48 : 39,801.84 = 12,318.92 : x
  2. Step 2: Convert to fraction form
    26,570.48/39,801.84 = 12,318.92/x
  3. Step 3: Cross multiply
    26,570.48x = 39,801.84 × 12,318.92
  4. Step 4: Simplify right side
    26,570.48x = 490,315,682.81
  5. Step 5: Solve for x
    x = 490,315,682.81/26,570.48
  6. Step 6: Final answer
    x = 18,453.40

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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.