Home / 26,001.84-39,007.44-12,150.84

Finding the Fourth Proportional to 26,001.84, 39,007.44 and 12,150.84

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Solution

The fourth proportional to 26,001.84, 39,007.44 and 12,150.84 is: 18,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,001.84 : 39,007.44 = 12,150.84 : x
  2. Step 2: Convert to fraction form
    26,001.84/39,007.44 = 12,150.84/x
  3. Step 3: Cross multiply
    26,001.84x = 39,007.44 × 12,150.84
  4. Step 4: Simplify right side
    26,001.84x = 473,973,162.25
  5. Step 5: Solve for x
    x = 473,973,162.25/26,001.84
  6. Step 6: Final answer
    x = 18,228.45

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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.