Home / 28,528.56-39,356.15-18,460.24

Finding the Fourth Proportional to 28,528.56, 39,356.15 and 18,460.24

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Solution

The fourth proportional to 28,528.56, 39,356.15 and 18,460.24 is: 25,466.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,528.56 : 39,356.15 = 18,460.24 : x
  2. Step 2: Convert to fraction form
    28,528.56/39,356.15 = 18,460.24/x
  3. Step 3: Cross multiply
    28,528.56x = 39,356.15 × 18,460.24
  4. Step 4: Simplify right side
    28,528.56x = 726,523,974.48
  5. Step 5: Solve for x
    x = 726,523,974.48/28,528.56
  6. Step 6: Final answer
    x = 25,466.55

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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.