Home / 26,675.65-36,815.25-15,345.64

Finding the Fourth Proportional to 26,675.65, 36,815.25 and 15,345.64

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Solution

The fourth proportional to 26,675.65, 36,815.25 and 15,345.64 is: 21,178.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,675.65 : 36,815.25 = 15,345.64 : x
  2. Step 2: Convert to fraction form
    26,675.65/36,815.25 = 15,345.64/x
  3. Step 3: Cross multiply
    26,675.65x = 36,815.25 × 15,345.64
  4. Step 4: Simplify right side
    26,675.65x = 564,953,573.01
  5. Step 5: Solve for x
    x = 564,953,573.01/26,675.65
  6. Step 6: Final answer
    x = 21,178.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.