Home / 34,727.28-47,920.80-19,621.25

Finding the Fourth Proportional to 34,727.28, 47,920.80 and 19,621.25

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Solution

The fourth proportional to 34,727.28, 47,920.80 and 19,621.25 is: 27,075.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,727.28 : 47,920.80 = 19,621.25 : x
  2. Step 2: Convert to fraction form
    34,727.28/47,920.80 = 19,621.25/x
  3. Step 3: Cross multiply
    34,727.28x = 47,920.80 × 19,621.25
  4. Step 4: Simplify right side
    34,727.28x = 940,265,997
  5. Step 5: Solve for x
    x = 940,265,997/34,727.28
  6. Step 6: Final answer
    x = 27,075.72

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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.