Home / 28,981.30-39,955.58-26,028.84

Finding the Fourth Proportional to 28,981.30, 39,955.58 and 26,028.84

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Solution

The fourth proportional to 28,981.30, 39,955.58 and 26,028.84 is: 35,885.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,981.30 : 39,955.58 = 26,028.84 : x
  2. Step 2: Convert to fraction form
    28,981.30/39,955.58 = 26,028.84/x
  3. Step 3: Cross multiply
    28,981.30x = 39,955.58 × 26,028.84
  4. Step 4: Simplify right side
    28,981.30x = 1,039,997,398.93
  5. Step 5: Solve for x
    x = 1,039,997,398.93/28,981.30
  6. Step 6: Final answer
    x = 35,885.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.