Home / 26,212.00-39,289.71-12,869.47

Finding the Fourth Proportional to 26,212.00, 39,289.71 and 12,869.47

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Solution

The fourth proportional to 26,212.00, 39,289.71 and 12,869.47 is: 19,290.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,212.00 : 39,289.71 = 12,869.47 : x
  2. Step 2: Convert to fraction form
    26,212.00/39,289.71 = 12,869.47/x
  3. Step 3: Cross multiply
    26,212.00x = 39,289.71 × 12,869.47
  4. Step 4: Simplify right side
    26,212.00x = 505,637,842.38
  5. Step 5: Solve for x
    x = 505,637,842.38/26,212.00
  6. Step 6: Final answer
    x = 19,290.32

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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.