Home / 37,643.28-51,947.84-20,876.24

Finding the Fourth Proportional to 37,643.28, 51,947.84 and 20,876.24

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Solution

The fourth proportional to 37,643.28, 51,947.84 and 20,876.24 is: 28,809.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,643.28 : 51,947.84 = 20,876.24 : x
  2. Step 2: Convert to fraction form
    37,643.28/51,947.84 = 20,876.24/x
  3. Step 3: Cross multiply
    37,643.28x = 51,947.84 × 20,876.24
  4. Step 4: Simplify right side
    37,643.28x = 1,084,475,575.32
  5. Step 5: Solve for x
    x = 1,084,475,575.32/37,643.28
  6. Step 6: Final answer
    x = 28,809.27

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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.