Home / 26,715.36-36,866.10-15,385.26

Finding the Fourth Proportional to 26,715.36, 36,866.10 and 15,385.26

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Solution

The fourth proportional to 26,715.36, 36,866.10 and 15,385.26 is: 21,231.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,715.36 : 36,866.10 = 15,385.26 : x
  2. Step 2: Convert to fraction form
    26,715.36/36,866.10 = 15,385.26/x
  3. Step 3: Cross multiply
    26,715.36x = 36,866.10 × 15,385.26
  4. Step 4: Simplify right side
    26,715.36x = 567,194,533.69
  5. Step 5: Solve for x
    x = 567,194,533.69/26,715.36
  6. Step 6: Final answer
    x = 21,231.03

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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.