Home / 26,740.72-40,119.18-12,711.52

Finding the Fourth Proportional to 26,740.72, 40,119.18 and 12,711.52

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Solution

The fourth proportional to 26,740.72, 40,119.18 and 12,711.52 is: 19,071.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,740.72 : 40,119.18 = 12,711.52 : x
  2. Step 2: Convert to fraction form
    26,740.72/40,119.18 = 12,711.52/x
  3. Step 3: Cross multiply
    26,740.72x = 40,119.18 × 12,711.52
  4. Step 4: Simplify right side
    26,740.72x = 509,975,758.95
  5. Step 5: Solve for x
    x = 509,975,758.95/26,740.72
  6. Step 6: Final answer
    x = 19,071.13

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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.