Home / 19,400.26-26,772.89-10,903.15

Finding the Fourth Proportional to 19,400.26, 26,772.89 and 10,903.15

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Solution

The fourth proportional to 19,400.26, 26,772.89 and 10,903.15 is: 15,046.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,400.26 : 26,772.89 = 10,903.15 : x
  2. Step 2: Convert to fraction form
    19,400.26/26,772.89 = 10,903.15/x
  3. Step 3: Cross multiply
    19,400.26x = 26,772.89 × 10,903.15
  4. Step 4: Simplify right side
    19,400.26x = 291,908,835.60
  5. Step 5: Solve for x
    x = 291,908,835.60/19,400.26
  6. Step 6: Final answer
    x = 15,046.65

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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.