Home / 28,988.94-40,012.62-17,056.12

Finding the Fourth Proportional to 28,988.94, 40,012.62 and 17,056.12

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Solution

The fourth proportional to 28,988.94, 40,012.62 and 17,056.12 is: 23,542.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,988.94 : 40,012.62 = 17,056.12 : x
  2. Step 2: Convert to fraction form
    28,988.94/40,012.62 = 17,056.12/x
  3. Step 3: Cross multiply
    28,988.94x = 40,012.62 × 17,056.12
  4. Step 4: Simplify right side
    28,988.94x = 682,459,959.27
  5. Step 5: Solve for x
    x = 682,459,959.27/28,988.94
  6. Step 6: Final answer
    x = 23,542.08

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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.