Home / 26,990.79-40,486.70-9,225.52

Finding the Fourth Proportional to 26,990.79, 40,486.70 and 9,225.52

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Solution

The fourth proportional to 26,990.79, 40,486.70 and 9,225.52 is: 13,838.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,990.79 : 40,486.70 = 9,225.52 : x
  2. Step 2: Convert to fraction form
    26,990.79/40,486.70 = 9,225.52/x
  3. Step 3: Cross multiply
    26,990.79x = 40,486.70 × 9,225.52
  4. Step 4: Simplify right side
    26,990.79x = 373,510,860.58
  5. Step 5: Solve for x
    x = 373,510,860.58/26,990.79
  6. Step 6: Final answer
    x = 13,838.46

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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.