Home / 25,887.60-38,781.92-21,697.67

Finding the Fourth Proportional to 25,887.60, 38,781.92 and 21,697.67

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Solution

The fourth proportional to 25,887.60, 38,781.92 and 21,697.67 is: 32,505.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,887.60 : 38,781.92 = 21,697.67 : x
  2. Step 2: Convert to fraction form
    25,887.60/38,781.92 = 21,697.67/x
  3. Step 3: Cross multiply
    25,887.60x = 38,781.92 × 21,697.67
  4. Step 4: Simplify right side
    25,887.60x = 841,477,108.22
  5. Step 5: Solve for x
    x = 841,477,108.22/25,887.60
  6. Step 6: Final answer
    x = 32,505.03

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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.