Home / 26,429.78-36,484.74-18,503.12

Finding the Fourth Proportional to 26,429.78, 36,484.74 and 18,503.12

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Solution

The fourth proportional to 26,429.78, 36,484.74 and 18,503.12 is: 25,542.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,429.78 : 36,484.74 = 18,503.12 : x
  2. Step 2: Convert to fraction form
    26,429.78/36,484.74 = 18,503.12/x
  3. Step 3: Cross multiply
    26,429.78x = 36,484.74 × 18,503.12
  4. Step 4: Simplify right side
    26,429.78x = 675,081,522.39
  5. Step 5: Solve for x
    x = 675,081,522.39/26,429.78
  6. Step 6: Final answer
    x = 25,542.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.