Home / 28,291.41-42,436.35-9,571.32

Finding the Fourth Proportional to 28,291.41, 42,436.35 and 9,571.32

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Solution

The fourth proportional to 28,291.41, 42,436.35 and 9,571.32 is: 14,356.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,291.41 : 42,436.35 = 9,571.32 : x
  2. Step 2: Convert to fraction form
    28,291.41/42,436.35 = 9,571.32/x
  3. Step 3: Cross multiply
    28,291.41x = 42,436.35 × 9,571.32
  4. Step 4: Simplify right side
    28,291.41x = 406,171,885.48
  5. Step 5: Solve for x
    x = 406,171,885.48/28,291.41
  6. Step 6: Final answer
    x = 14,356.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.