Home / 50,927.28-70,283.88-28,268.40

Finding the Fourth Proportional to 50,927.28, 70,283.88 and 28,268.40

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Solution

The fourth proportional to 50,927.28, 70,283.88 and 28,268.40 is: 39,012.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,927.28 : 70,283.88 = 28,268.40 : x
  2. Step 2: Convert to fraction form
    50,927.28/70,283.88 = 28,268.40/x
  3. Step 3: Cross multiply
    50,927.28x = 70,283.88 × 28,268.40
  4. Step 4: Simplify right side
    50,927.28x = 1,986,812,833.39
  5. Step 5: Solve for x
    x = 1,986,812,833.39/50,927.28
  6. Step 6: Final answer
    x = 39,012.74

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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.