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Finding the Fourth Proportional to 26,703.03, 40,054.95 and 7,978.95

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Solution

The fourth proportional to 26,703.03, 40,054.95 and 7,978.95 is: 11,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,703.03 : 40,054.95 = 7,978.95 : x
  2. Step 2: Convert to fraction form
    26,703.03/40,054.95 = 7,978.95/x
  3. Step 3: Cross multiply
    26,703.03x = 40,054.95 × 7,978.95
  4. Step 4: Simplify right side
    26,703.03x = 319,596,443.30
  5. Step 5: Solve for x
    x = 319,596,443.30/26,703.03
  6. Step 6: Final answer
    x = 11,968.55

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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.