Home / 25,612.03-38,416.70-7,842.72

Finding the Fourth Proportional to 25,612.03, 38,416.70 and 7,842.72

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Solution

The fourth proportional to 25,612.03, 38,416.70 and 7,842.72 is: 11,763.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,612.03 : 38,416.70 = 7,842.72 : x
  2. Step 2: Convert to fraction form
    25,612.03/38,416.70 = 7,842.72/x
  3. Step 3: Cross multiply
    25,612.03x = 38,416.70 × 7,842.72
  4. Step 4: Simplify right side
    25,612.03x = 301,291,190.13
  5. Step 5: Solve for x
    x = 301,291,190.13/25,612.03
  6. Step 6: Final answer
    x = 11,763.66

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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.