Home / 19,204.55-28,810.73-10,888.28

Finding the Fourth Proportional to 19,204.55, 28,810.73 and 10,888.28

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Solution

The fourth proportional to 19,204.55, 28,810.73 and 10,888.28 is: 16,334.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,204.55 : 28,810.73 = 10,888.28 : x
  2. Step 2: Convert to fraction form
    19,204.55/28,810.73 = 10,888.28/x
  3. Step 3: Cross multiply
    19,204.55x = 28,810.73 × 10,888.28
  4. Step 4: Simplify right side
    19,204.55x = 313,699,096.75
  5. Step 5: Solve for x
    x = 313,699,096.75/19,204.55
  6. Step 6: Final answer
    x = 16,334.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.