Home / 28,582.36-42,852.76-11,947.14

Finding the Fourth Proportional to 28,582.36, 42,852.76 and 11,947.14

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Solution

The fourth proportional to 28,582.36, 42,852.76 and 11,947.14 is: 17,912.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,582.36 : 42,852.76 = 11,947.14 : x
  2. Step 2: Convert to fraction form
    28,582.36/42,852.76 = 11,947.14/x
  3. Step 3: Cross multiply
    28,582.36x = 42,852.76 × 11,947.14
  4. Step 4: Simplify right side
    28,582.36x = 511,967,923.11
  5. Step 5: Solve for x
    x = 511,967,923.11/28,582.36
  6. Step 6: Final answer
    x = 17,912.02

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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.