Home / 26,354.31-39,544.45-12,315.31

Finding the Fourth Proportional to 26,354.31, 39,544.45 and 12,315.31

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Solution

The fourth proportional to 26,354.31, 39,544.45 and 12,315.31 is: 18,479.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,354.31 : 39,544.45 = 12,315.31 : x
  2. Step 2: Convert to fraction form
    26,354.31/39,544.45 = 12,315.31/x
  3. Step 3: Cross multiply
    26,354.31x = 39,544.45 × 12,315.31
  4. Step 4: Simplify right side
    26,354.31x = 487,001,962.81
  5. Step 5: Solve for x
    x = 487,001,962.81/26,354.31
  6. Step 6: Final answer
    x = 18,479.03

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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.