Home / 28,158.19-38,847.23-18,085.22

Finding the Fourth Proportional to 28,158.19, 38,847.23 and 18,085.22

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Solution

The fourth proportional to 28,158.19, 38,847.23 and 18,085.22 is: 24,950.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,158.19 : 38,847.23 = 18,085.22 : x
  2. Step 2: Convert to fraction form
    28,158.19/38,847.23 = 18,085.22/x
  3. Step 3: Cross multiply
    28,158.19x = 38,847.23 × 18,085.22
  4. Step 4: Simplify right side
    28,158.19x = 702,560,610.51
  5. Step 5: Solve for x
    x = 702,560,610.51/28,158.19
  6. Step 6: Final answer
    x = 24,950.49

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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.