Home / 21,460.23-32,188.77-7,228.80

Finding the Fourth Proportional to 21,460.23, 32,188.77 and 7,228.80

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Solution

The fourth proportional to 21,460.23, 32,188.77 and 7,228.80 is: 10,842.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,460.23 : 32,188.77 = 7,228.80 : x
  2. Step 2: Convert to fraction form
    21,460.23/32,188.77 = 7,228.80/x
  3. Step 3: Cross multiply
    21,460.23x = 32,188.77 × 7,228.80
  4. Step 4: Simplify right side
    21,460.23x = 232,686,180.58
  5. Step 5: Solve for x
    x = 232,686,180.58/21,460.23
  6. Step 6: Final answer
    x = 10,842.67

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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.