Home / 20,877.52-31,316.44-7,026.32

Finding the Fourth Proportional to 20,877.52, 31,316.44 and 7,026.32

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Solution

The fourth proportional to 20,877.52, 31,316.44 and 7,026.32 is: 10,539.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,877.52 : 31,316.44 = 7,026.32 : x
  2. Step 2: Convert to fraction form
    20,877.52/31,316.44 = 7,026.32/x
  3. Step 3: Cross multiply
    20,877.52x = 31,316.44 × 7,026.32
  4. Step 4: Simplify right side
    20,877.52x = 220,039,328.70
  5. Step 5: Solve for x
    x = 220,039,328.70/20,877.52
  6. Step 6: Final answer
    x = 10,539.53

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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.