Home / 21,456.48-32,184.70-7,595.76

Finding the Fourth Proportional to 21,456.48, 32,184.70 and 7,595.76

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Solution

The fourth proportional to 21,456.48, 32,184.70 and 7,595.76 is: 11,393.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,456.48 : 32,184.70 = 7,595.76 : x
  2. Step 2: Convert to fraction form
    21,456.48/32,184.70 = 7,595.76/x
  3. Step 3: Cross multiply
    21,456.48x = 32,184.70 × 7,595.76
  4. Step 4: Simplify right side
    21,456.48x = 244,467,256.87
  5. Step 5: Solve for x
    x = 244,467,256.87/21,456.48
  6. Step 6: Final answer
    x = 11,393.63

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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.