Home / 26,766.08-40,127.70-12,719.06

Finding the Fourth Proportional to 26,766.08, 40,127.70 and 12,719.06

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Solution

The fourth proportional to 26,766.08, 40,127.70 and 12,719.06 is: 19,068.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,766.08 : 40,127.70 = 12,719.06 : x
  2. Step 2: Convert to fraction form
    26,766.08/40,127.70 = 12,719.06/x
  3. Step 3: Cross multiply
    26,766.08x = 40,127.70 × 12,719.06
  4. Step 4: Simplify right side
    26,766.08x = 510,386,623.96
  5. Step 5: Solve for x
    x = 510,386,623.96/26,766.08
  6. Step 6: Final answer
    x = 19,068.41

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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.