Home / 27,268.95-40,915.98-12,482.40

Finding the Fourth Proportional to 27,268.95, 40,915.98 and 12,482.40

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Solution

The fourth proportional to 27,268.95, 40,915.98 and 12,482.40 is: 18,729.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,268.95 : 40,915.98 = 12,482.40 : x
  2. Step 2: Convert to fraction form
    27,268.95/40,915.98 = 12,482.40/x
  3. Step 3: Cross multiply
    27,268.95x = 40,915.98 × 12,482.40
  4. Step 4: Simplify right side
    27,268.95x = 510,729,628.75
  5. Step 5: Solve for x
    x = 510,729,628.75/27,268.95
  6. Step 6: Final answer
    x = 18,729.35

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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.