Home / 21,345.58-32,019.36-15,133.42

Finding the Fourth Proportional to 21,345.58, 32,019.36 and 15,133.42

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Solution

The fourth proportional to 21,345.58, 32,019.36 and 15,133.42 is: 22,700.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,345.58 : 32,019.36 = 15,133.42 : x
  2. Step 2: Convert to fraction form
    21,345.58/32,019.36 = 15,133.42/x
  3. Step 3: Cross multiply
    21,345.58x = 32,019.36 × 15,133.42
  4. Step 4: Simplify right side
    21,345.58x = 484,562,423.01
  5. Step 5: Solve for x
    x = 484,562,423.01/21,345.58
  6. Step 6: Final answer
    x = 22,700.83

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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.