Home / 28,796.62-39,746.76-18,750.16

Finding the Fourth Proportional to 28,796.62, 39,746.76 and 18,750.16

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Solution

The fourth proportional to 28,796.62, 39,746.76 and 18,750.16 is: 25,880.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,796.62 : 39,746.76 = 18,750.16 : x
  2. Step 2: Convert to fraction form
    28,796.62/39,746.76 = 18,750.16/x
  3. Step 3: Cross multiply
    28,796.62x = 39,746.76 × 18,750.16
  4. Step 4: Simplify right side
    28,796.62x = 745,258,109.48
  5. Step 5: Solve for x
    x = 745,258,109.48/28,796.62
  6. Step 6: Final answer
    x = 25,880.06

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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.