Home / 20,528.54-30,792.80-4,946.16

Finding the Fourth Proportional to 20,528.54, 30,792.80 and 4,946.16

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Solution

The fourth proportional to 20,528.54, 30,792.80 and 4,946.16 is: 7,419.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,528.54 : 30,792.80 = 4,946.16 : x
  2. Step 2: Convert to fraction form
    20,528.54/30,792.80 = 4,946.16/x
  3. Step 3: Cross multiply
    20,528.54x = 30,792.80 × 4,946.16
  4. Step 4: Simplify right side
    20,528.54x = 152,306,128.01
  5. Step 5: Solve for x
    x = 152,306,128.01/20,528.54
  6. Step 6: Final answer
    x = 7,419.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.