Home / 26,128.81-36,071.02-16,578.44

Finding the Fourth Proportional to 26,128.81, 36,071.02 and 16,578.44

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Solution

The fourth proportional to 26,128.81, 36,071.02 and 16,578.44 is: 22,886.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,128.81 : 36,071.02 = 16,578.44 : x
  2. Step 2: Convert to fraction form
    26,128.81/36,071.02 = 16,578.44/x
  3. Step 3: Cross multiply
    26,128.81x = 36,071.02 × 16,578.44
  4. Step 4: Simplify right side
    26,128.81x = 598,001,216.44
  5. Step 5: Solve for x
    x = 598,001,216.44/26,128.81
  6. Step 6: Final answer
    x = 22,886.66

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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.