Home / 26,999.40-40,547.70-19,612.20

Finding the Fourth Proportional to 26,999.40, 40,547.70 and 19,612.20

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Solution

The fourth proportional to 26,999.40, 40,547.70 and 19,612.20 is: 29,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,999.40 : 40,547.70 = 19,612.20 : x
  2. Step 2: Convert to fraction form
    26,999.40/40,547.70 = 19,612.20/x
  3. Step 3: Cross multiply
    26,999.40x = 40,547.70 × 19,612.20
  4. Step 4: Simplify right side
    26,999.40x = 795,229,601.94
  5. Step 5: Solve for x
    x = 795,229,601.94/26,999.40
  6. Step 6: Final answer
    x = 29,453.60

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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.