Home / 26,409.36-36,424.44-16,978.80

Finding the Fourth Proportional to 26,409.36, 36,424.44 and 16,978.80

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Solution

The fourth proportional to 26,409.36, 36,424.44 and 16,978.80 is: 23,417.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,409.36 : 36,424.44 = 16,978.80 : x
  2. Step 2: Convert to fraction form
    26,409.36/36,424.44 = 16,978.80/x
  3. Step 3: Cross multiply
    26,409.36x = 36,424.44 × 16,978.80
  4. Step 4: Simplify right side
    26,409.36x = 618,443,281.87
  5. Step 5: Solve for x
    x = 618,443,281.87/26,409.36
  6. Step 6: Final answer
    x = 23,417.58

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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.