Home / 34,326.36-47,356.16-20,895.74

Finding the Fourth Proportional to 34,326.36, 47,356.16 and 20,895.74

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Solution

The fourth proportional to 34,326.36, 47,356.16 and 20,895.74 is: 28,827.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,326.36 : 47,356.16 = 20,895.74 : x
  2. Step 2: Convert to fraction form
    34,326.36/47,356.16 = 20,895.74/x
  3. Step 3: Cross multiply
    34,326.36x = 47,356.16 × 20,895.74
  4. Step 4: Simplify right side
    34,326.36x = 989,542,006.76
  5. Step 5: Solve for x
    x = 989,542,006.76/34,326.36
  6. Step 6: Final answer
    x = 28,827.47

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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.