Home / 28,150.18-38,851.98-18,080.94

Finding the Fourth Proportional to 28,150.18, 38,851.98 and 18,080.94

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Solution

The fourth proportional to 28,150.18, 38,851.98 and 18,080.94 is: 24,954.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,150.18 : 38,851.98 = 18,080.94 : x
  2. Step 2: Convert to fraction form
    28,150.18/38,851.98 = 18,080.94/x
  3. Step 3: Cross multiply
    28,150.18x = 38,851.98 × 18,080.94
  4. Step 4: Simplify right side
    28,150.18x = 702,480,319.26
  5. Step 5: Solve for x
    x = 702,480,319.26/28,150.18
  6. Step 6: Final answer
    x = 24,954.74

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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.