Home / 28,995.57-40,012.38-17,065.49

Finding the Fourth Proportional to 28,995.57, 40,012.38 and 17,065.49

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Solution

The fourth proportional to 28,995.57, 40,012.38 and 17,065.49 is: 23,549.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,995.57 : 40,012.38 = 17,065.49 : x
  2. Step 2: Convert to fraction form
    28,995.57/40,012.38 = 17,065.49/x
  3. Step 3: Cross multiply
    28,995.57x = 40,012.38 × 17,065.49
  4. Step 4: Simplify right side
    28,995.57x = 682,830,670.70
  5. Step 5: Solve for x
    x = 682,830,670.70/28,995.57
  6. Step 6: Final answer
    x = 23,549.48

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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.