Home / 17,927.04-26,890.53-8,538.59

Finding the Fourth Proportional to 17,927.04, 26,890.53 and 8,538.59

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Solution

The fourth proportional to 17,927.04, 26,890.53 and 8,538.59 is: 12,807.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,927.04 : 26,890.53 = 8,538.59 : x
  2. Step 2: Convert to fraction form
    17,927.04/26,890.53 = 8,538.59/x
  3. Step 3: Cross multiply
    17,927.04x = 26,890.53 × 8,538.59
  4. Step 4: Simplify right side
    17,927.04x = 229,607,076.10
  5. Step 5: Solve for x
    x = 229,607,076.10/17,927.04
  6. Step 6: Final answer
    x = 12,807.86

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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.