Home / 38,290.28-52,840.02-21,523.16

Finding the Fourth Proportional to 38,290.28, 52,840.02 and 21,523.16

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Solution

The fourth proportional to 38,290.28, 52,840.02 and 21,523.16 is: 29,701.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,290.28 : 52,840.02 = 21,523.16 : x
  2. Step 2: Convert to fraction form
    38,290.28/52,840.02 = 21,523.16/x
  3. Step 3: Cross multiply
    38,290.28x = 52,840.02 × 21,523.16
  4. Step 4: Simplify right side
    38,290.28x = 1,137,284,204.86
  5. Step 5: Solve for x
    x = 1,137,284,204.86/38,290.28
  6. Step 6: Final answer
    x = 29,701.64

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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.