Home / 19,259.12-28,888.73-5,219.24

Finding the Fourth Proportional to 19,259.12, 28,888.73 and 5,219.24

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Solution

The fourth proportional to 19,259.12, 28,888.73 and 5,219.24 is: 7,828.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,259.12 : 28,888.73 = 5,219.24 : x
  2. Step 2: Convert to fraction form
    19,259.12/28,888.73 = 5,219.24/x
  3. Step 3: Cross multiply
    19,259.12x = 28,888.73 × 5,219.24
  4. Step 4: Simplify right side
    19,259.12x = 150,777,215.17
  5. Step 5: Solve for x
    x = 150,777,215.17/19,259.12
  6. Step 6: Final answer
    x = 7,828.87

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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.