Home / 26,000.66-35,890.08-15,399.38

Finding the Fourth Proportional to 26,000.66, 35,890.08 and 15,399.38

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Solution

The fourth proportional to 26,000.66, 35,890.08 and 15,399.38 is: 21,256.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,000.66 : 35,890.08 = 15,399.38 : x
  2. Step 2: Convert to fraction form
    26,000.66/35,890.08 = 15,399.38/x
  3. Step 3: Cross multiply
    26,000.66x = 35,890.08 × 15,399.38
  4. Step 4: Simplify right side
    26,000.66x = 552,684,980.15
  5. Step 5: Solve for x
    x = 552,684,980.15/26,000.66
  6. Step 6: Final answer
    x = 21,256.58

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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.