Home / 26,715.07-36,869.55-15,385.00

Finding the Fourth Proportional to 26,715.07, 36,869.55 and 15,385.00

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Solution

The fourth proportional to 26,715.07, 36,869.55 and 15,385.00 is: 21,232.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,715.07 : 36,869.55 = 15,385.00 : x
  2. Step 2: Convert to fraction form
    26,715.07/36,869.55 = 15,385.00/x
  3. Step 3: Cross multiply
    26,715.07x = 36,869.55 × 15,385.00
  4. Step 4: Simplify right side
    26,715.07x = 567,237,765.48
  5. Step 5: Solve for x
    x = 567,237,765.48/26,715.07
  6. Step 6: Final answer
    x = 21,232.88

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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.