Home / 21,357.84-32,018.55-15,098.16

Finding the Fourth Proportional to 21,357.84, 32,018.55 and 15,098.16

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Solution

The fourth proportional to 21,357.84, 32,018.55 and 15,098.16 is: 22,634.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,357.84 : 32,018.55 = 15,098.16 : x
  2. Step 2: Convert to fraction form
    21,357.84/32,018.55 = 15,098.16/x
  3. Step 3: Cross multiply
    21,357.84x = 32,018.55 × 15,098.16
  4. Step 4: Simplify right side
    21,357.84x = 483,421,190.87
  5. Step 5: Solve for x
    x = 483,421,190.87/21,357.84
  6. Step 6: Final answer
    x = 22,634.37

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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.