Home / 28,915.02-43,369.02-7,853.72

Finding the Fourth Proportional to 28,915.02, 43,369.02 and 7,853.72

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Solution

The fourth proportional to 28,915.02, 43,369.02 and 7,853.72 is: 11,779.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,915.02 : 43,369.02 = 7,853.72 : x
  2. Step 2: Convert to fraction form
    28,915.02/43,369.02 = 7,853.72/x
  3. Step 3: Cross multiply
    28,915.02x = 43,369.02 × 7,853.72
  4. Step 4: Simplify right side
    28,915.02x = 340,608,139.75
  5. Step 5: Solve for x
    x = 340,608,139.75/28,915.02
  6. Step 6: Final answer
    x = 11,779.63

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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.