Home / 21,345.86-32,030.43-14,331.73

Finding the Fourth Proportional to 21,345.86, 32,030.43 and 14,331.73

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Solution

The fourth proportional to 21,345.86, 32,030.43 and 14,331.73 is: 21,505.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,345.86 : 32,030.43 = 14,331.73 : x
  2. Step 2: Convert to fraction form
    21,345.86/32,030.43 = 14,331.73/x
  3. Step 3: Cross multiply
    21,345.86x = 32,030.43 × 14,331.73
  4. Step 4: Simplify right side
    21,345.86x = 459,051,474.54
  5. Step 5: Solve for x
    x = 459,051,474.54/21,345.86
  6. Step 6: Final answer
    x = 21,505.41

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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.