Home / 28,095.02-38,771.15-15,348.38

Finding the Fourth Proportional to 28,095.02, 38,771.15 and 15,348.38

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Solution

The fourth proportional to 28,095.02, 38,771.15 and 15,348.38 is: 21,180.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,095.02 : 38,771.15 = 15,348.38 : x
  2. Step 2: Convert to fraction form
    28,095.02/38,771.15 = 15,348.38/x
  3. Step 3: Cross multiply
    28,095.02x = 38,771.15 × 15,348.38
  4. Step 4: Simplify right side
    28,095.02x = 595,074,072.64
  5. Step 5: Solve for x
    x = 595,074,072.64/28,095.02
  6. Step 6: Final answer
    x = 21,180.77

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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.