Home / 26,483.51-39,691.49-12,412.50

Finding the Fourth Proportional to 26,483.51, 39,691.49 and 12,412.50

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Solution

The fourth proportional to 26,483.51, 39,691.49 and 12,412.50 is: 18,602.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,483.51 : 39,691.49 = 12,412.50 : x
  2. Step 2: Convert to fraction form
    26,483.51/39,691.49 = 12,412.50/x
  3. Step 3: Cross multiply
    26,483.51x = 39,691.49 × 12,412.50
  4. Step 4: Simplify right side
    26,483.51x = 492,670,619.63
  5. Step 5: Solve for x
    x = 492,670,619.63/26,483.51
  6. Step 6: Final answer
    x = 18,602.92

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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.