Home / 30,827.41-42,541.88-16,680.26

Finding the Fourth Proportional to 30,827.41, 42,541.88 and 16,680.26

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Solution

The fourth proportional to 30,827.41, 42,541.88 and 16,680.26 is: 23,018.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,827.41 : 42,541.88 = 16,680.26 : x
  2. Step 2: Convert to fraction form
    30,827.41/42,541.88 = 16,680.26/x
  3. Step 3: Cross multiply
    30,827.41x = 42,541.88 × 16,680.26
  4. Step 4: Simplify right side
    30,827.41x = 709,609,642.24
  5. Step 5: Solve for x
    x = 709,609,642.24/30,827.41
  6. Step 6: Final answer
    x = 23,018.79

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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.