Home / 21,345.36-32,029.68-14,331.23

Finding the Fourth Proportional to 21,345.36, 32,029.68 and 14,331.23

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Solution

The fourth proportional to 21,345.36, 32,029.68 and 14,331.23 is: 21,504.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,345.36 : 32,029.68 = 14,331.23 : x
  2. Step 2: Convert to fraction form
    21,345.36/32,029.68 = 14,331.23/x
  3. Step 3: Cross multiply
    21,345.36x = 32,029.68 × 14,331.23
  4. Step 4: Simplify right side
    21,345.36x = 459,024,710.91
  5. Step 5: Solve for x
    x = 459,024,710.91/21,345.36
  6. Step 6: Final answer
    x = 21,504.66

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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.