Home / 28,837.95-43,253.34-7,779.70

Finding the Fourth Proportional to 28,837.95, 43,253.34 and 7,779.70

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Solution

The fourth proportional to 28,837.95, 43,253.34 and 7,779.70 is: 11,668.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,837.95 : 43,253.34 = 7,779.70 : x
  2. Step 2: Convert to fraction form
    28,837.95/43,253.34 = 7,779.70/x
  3. Step 3: Cross multiply
    28,837.95x = 43,253.34 × 7,779.70
  4. Step 4: Simplify right side
    28,837.95x = 336,498,009.20
  5. Step 5: Solve for x
    x = 336,498,009.20/28,837.95
  6. Step 6: Final answer
    x = 11,668.58

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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.