Home / 37,782.27-52,140.93-20,787.25

Finding the Fourth Proportional to 37,782.27, 52,140.93 and 20,787.25

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Solution

The fourth proportional to 37,782.27, 52,140.93 and 20,787.25 is: 28,687.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,782.27 : 52,140.93 = 20,787.25 : x
  2. Step 2: Convert to fraction form
    37,782.27/52,140.93 = 20,787.25/x
  3. Step 3: Cross multiply
    37,782.27x = 52,140.93 × 20,787.25
  4. Step 4: Simplify right side
    37,782.27x = 1,083,866,443.21
  5. Step 5: Solve for x
    x = 1,083,866,443.21/37,782.27
  6. Step 6: Final answer
    x = 28,687.17

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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.