Home / 19,437.62-26,840.85-15,238.58

Finding the Fourth Proportional to 19,437.62, 26,840.85 and 15,238.58

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Solution

The fourth proportional to 19,437.62, 26,840.85 and 15,238.58 is: 21,042.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,437.62 : 26,840.85 = 15,238.58 : x
  2. Step 2: Convert to fraction form
    19,437.62/26,840.85 = 15,238.58/x
  3. Step 3: Cross multiply
    19,437.62x = 26,840.85 × 15,238.58
  4. Step 4: Simplify right side
    19,437.62x = 409,016,439.99
  5. Step 5: Solve for x
    x = 409,016,439.99/19,437.62
  6. Step 6: Final answer
    x = 21,042.52

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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.