Home / 23,457.48-35,189.88-7,878.76

Finding the Fourth Proportional to 23,457.48, 35,189.88 and 7,878.76

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Solution

The fourth proportional to 23,457.48, 35,189.88 and 7,878.76 is: 11,819.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,457.48 : 35,189.88 = 7,878.76 : x
  2. Step 2: Convert to fraction form
    23,457.48/35,189.88 = 7,878.76/x
  3. Step 3: Cross multiply
    23,457.48x = 35,189.88 × 7,878.76
  4. Step 4: Simplify right side
    23,457.48x = 277,252,618.95
  5. Step 5: Solve for x
    x = 277,252,618.95/23,457.48
  6. Step 6: Final answer
    x = 11,819.37

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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.