Home / 28,886.08-43,330.65-9,166.18

Finding the Fourth Proportional to 28,886.08, 43,330.65 and 9,166.18

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Solution

The fourth proportional to 28,886.08, 43,330.65 and 9,166.18 is: 13,749.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,886.08 : 43,330.65 = 9,166.18 : x
  2. Step 2: Convert to fraction form
    28,886.08/43,330.65 = 9,166.18/x
  3. Step 3: Cross multiply
    28,886.08x = 43,330.65 × 9,166.18
  4. Step 4: Simplify right side
    28,886.08x = 397,176,320.76
  5. Step 5: Solve for x
    x = 397,176,320.76/28,886.08
  6. Step 6: Final answer
    x = 13,749.75

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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.