Home / 27,100.95-40,657.40-8,124.83

Finding the Fourth Proportional to 27,100.95, 40,657.40 and 8,124.83

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Solution

The fourth proportional to 27,100.95, 40,657.40 and 8,124.83 is: 12,189.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,100.95 : 40,657.40 = 8,124.83 : x
  2. Step 2: Convert to fraction form
    27,100.95/40,657.40 = 8,124.83/x
  3. Step 3: Cross multiply
    27,100.95x = 40,657.40 × 8,124.83
  4. Step 4: Simplify right side
    27,100.95x = 330,334,402.26
  5. Step 5: Solve for x
    x = 330,334,402.26/27,100.95
  6. Step 6: Final answer
    x = 12,189.03

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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.