Home / 21,078.23-31,560.69-16,056.68

Finding the Fourth Proportional to 21,078.23, 31,560.69 and 16,056.68

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Solution

The fourth proportional to 21,078.23, 31,560.69 and 16,056.68 is: 24,041.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,078.23 : 31,560.69 = 16,056.68 : x
  2. Step 2: Convert to fraction form
    21,078.23/31,560.69 = 16,056.68/x
  3. Step 3: Cross multiply
    21,078.23x = 31,560.69 × 16,056.68
  4. Step 4: Simplify right side
    21,078.23x = 506,759,819.63
  5. Step 5: Solve for x
    x = 506,759,819.63/21,078.23
  6. Step 6: Final answer
    x = 24,041.86

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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.