Home / 23,515.65-32,451.87-12,905.07

Finding the Fourth Proportional to 23,515.65, 32,451.87 and 12,905.07

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Solution

The fourth proportional to 23,515.65, 32,451.87 and 12,905.07 is: 17,809.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,515.65 : 32,451.87 = 12,905.07 : x
  2. Step 2: Convert to fraction form
    23,515.65/32,451.87 = 12,905.07/x
  3. Step 3: Cross multiply
    23,515.65x = 32,451.87 × 12,905.07
  4. Step 4: Simplify right side
    23,515.65x = 418,793,653.98
  5. Step 5: Solve for x
    x = 418,793,653.98/23,515.65
  6. Step 6: Final answer
    x = 17,809.15

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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.