Home / 23,050.23-31,809.95-12,977.88

Finding the Fourth Proportional to 23,050.23, 31,809.95 and 12,977.88

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Solution

The fourth proportional to 23,050.23, 31,809.95 and 12,977.88 is: 17,909.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,050.23 : 31,809.95 = 12,977.88 : x
  2. Step 2: Convert to fraction form
    23,050.23/31,809.95 = 12,977.88/x
  3. Step 3: Cross multiply
    23,050.23x = 31,809.95 × 12,977.88
  4. Step 4: Simplify right side
    23,050.23x = 412,825,713.91
  5. Step 5: Solve for x
    x = 412,825,713.91/23,050.23
  6. Step 6: Final answer
    x = 17,909.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.