Home / 19,928.86-27,503.07-10,976.36

Finding the Fourth Proportional to 19,928.86, 27,503.07 and 10,976.36

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Solution

The fourth proportional to 19,928.86, 27,503.07 and 10,976.36 is: 15,148.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.86 : 27,503.07 = 10,976.36 : x
  2. Step 2: Convert to fraction form
    19,928.86/27,503.07 = 10,976.36/x
  3. Step 3: Cross multiply
    19,928.86x = 27,503.07 × 10,976.36
  4. Step 4: Simplify right side
    19,928.86x = 301,883,666.07
  5. Step 5: Solve for x
    x = 301,883,666.07/19,928.86
  6. Step 6: Final answer
    x = 15,148.06

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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.