Home / 28,307.26-42,460.96-7,530.76

Finding the Fourth Proportional to 28,307.26, 42,460.96 and 7,530.76

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Solution

The fourth proportional to 28,307.26, 42,460.96 and 7,530.76 is: 11,296.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,307.26 : 42,460.96 = 7,530.76 : x
  2. Step 2: Convert to fraction form
    28,307.26/42,460.96 = 7,530.76/x
  3. Step 3: Cross multiply
    28,307.26x = 42,460.96 × 7,530.76
  4. Step 4: Simplify right side
    28,307.26x = 319,763,299.13
  5. Step 5: Solve for x
    x = 319,763,299.13/28,307.26
  6. Step 6: Final answer
    x = 11,296.16

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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.