Home / 26,678.64-36,828.24-15,927.20

Finding the Fourth Proportional to 26,678.64, 36,828.24 and 15,927.20

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Solution

The fourth proportional to 26,678.64, 36,828.24 and 15,927.20 is: 21,986.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,678.64 : 36,828.24 = 15,927.20 : x
  2. Step 2: Convert to fraction form
    26,678.64/36,828.24 = 15,927.20/x
  3. Step 3: Cross multiply
    26,678.64x = 36,828.24 × 15,927.20
  4. Step 4: Simplify right side
    26,678.64x = 586,570,744.13
  5. Step 5: Solve for x
    x = 586,570,744.13/26,678.64
  6. Step 6: Final answer
    x = 21,986.53

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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.