Home / 17,927.40-26,891.10-12,973.80

Finding the Fourth Proportional to 17,927.40, 26,891.10 and 12,973.80

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Solution

The fourth proportional to 17,927.40, 26,891.10 and 12,973.80 is: 19,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,927.40 : 26,891.10 = 12,973.80 : x
  2. Step 2: Convert to fraction form
    17,927.40/26,891.10 = 12,973.80/x
  3. Step 3: Cross multiply
    17,927.40x = 26,891.10 × 12,973.80
  4. Step 4: Simplify right side
    17,927.40x = 348,879,753.18
  5. Step 5: Solve for x
    x = 348,879,753.18/17,927.40
  6. Step 6: Final answer
    x = 19,460.70

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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.