Home / 23,280.04-34,852.72-20,876.39

Finding the Fourth Proportional to 23,280.04, 34,852.72 and 20,876.39

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Solution

The fourth proportional to 23,280.04, 34,852.72 and 20,876.39 is: 31,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,280.04 : 34,852.72 = 20,876.39 : x
  2. Step 2: Convert to fraction form
    23,280.04/34,852.72 = 20,876.39/x
  3. Step 3: Cross multiply
    23,280.04x = 34,852.72 × 20,876.39
  4. Step 4: Simplify right side
    23,280.04x = 727,598,975.28
  5. Step 5: Solve for x
    x = 727,598,975.28/23,280.04
  6. Step 6: Final answer
    x = 31,254.20

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1.5x scale

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.