Home / 26,618.04-36,731.34-15,285.72

Finding the Fourth Proportional to 26,618.04, 36,731.34 and 15,285.72

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Solution

The fourth proportional to 26,618.04, 36,731.34 and 15,285.72 is: 21,093.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,618.04 : 36,731.34 = 15,285.72 : x
  2. Step 2: Convert to fraction form
    26,618.04/36,731.34 = 15,285.72/x
  3. Step 3: Cross multiply
    26,618.04x = 36,731.34 × 15,285.72
  4. Step 4: Simplify right side
    26,618.04x = 561,464,978.46
  5. Step 5: Solve for x
    x = 561,464,978.46/26,618.04
  6. Step 6: Final answer
    x = 21,093.40

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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.