Home / 28,314.57-39,074.59-15,568.27

Finding the Fourth Proportional to 28,314.57, 39,074.59 and 15,568.27

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Solution

The fourth proportional to 28,314.57, 39,074.59 and 15,568.27 is: 21,484.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,314.57 : 39,074.59 = 15,568.27 : x
  2. Step 2: Convert to fraction form
    28,314.57/39,074.59 = 15,568.27/x
  3. Step 3: Cross multiply
    28,314.57x = 39,074.59 × 15,568.27
  4. Step 4: Simplify right side
    28,314.57x = 608,323,787.10
  5. Step 5: Solve for x
    x = 608,323,787.10/28,314.57
  6. Step 6: Final answer
    x = 21,484.48

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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.