Home / 28,460.27-39,274.14-15,713.18

Finding the Fourth Proportional to 28,460.27, 39,274.14 and 15,713.18

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Solution

The fourth proportional to 28,460.27, 39,274.14 and 15,713.18 is: 21,683.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,460.27 : 39,274.14 = 15,713.18 : x
  2. Step 2: Convert to fraction form
    28,460.27/39,274.14 = 15,713.18/x
  3. Step 3: Cross multiply
    28,460.27x = 39,274.14 × 15,713.18
  4. Step 4: Simplify right side
    28,460.27x = 617,121,641.00
  5. Step 5: Solve for x
    x = 617,121,641.00/28,460.27
  6. Step 6: Final answer
    x = 21,683.62

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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.