Home / 28,237.01-38,968.31-16,904.32

Finding the Fourth Proportional to 28,237.01, 38,968.31 and 16,904.32

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Solution

The fourth proportional to 28,237.01, 38,968.31 and 16,904.32 is: 23,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,237.01 : 38,968.31 = 16,904.32 : x
  2. Step 2: Convert to fraction form
    28,237.01/38,968.31 = 16,904.32/x
  3. Step 3: Cross multiply
    28,237.01x = 38,968.31 × 16,904.32
  4. Step 4: Simplify right side
    28,237.01x = 658,732,851.05
  5. Step 5: Solve for x
    x = 658,732,851.05/28,237.01
  6. Step 6: Final answer
    x = 23,328.70

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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.