Home / 28,526.72-42,774.40-8,799.80

Finding the Fourth Proportional to 28,526.72, 42,774.40 and 8,799.80

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Solution

The fourth proportional to 28,526.72, 42,774.40 and 8,799.80 is: 13,194.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,526.72 : 42,774.40 = 8,799.80 : x
  2. Step 2: Convert to fraction form
    28,526.72/42,774.40 = 8,799.80/x
  3. Step 3: Cross multiply
    28,526.72x = 42,774.40 × 8,799.80
  4. Step 4: Simplify right side
    28,526.72x = 376,406,165.12
  5. Step 5: Solve for x
    x = 376,406,165.12/28,526.72
  6. Step 6: Final answer
    x = 13,194.86

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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.