Home / 26,155.83-39,250.89-15,618

Finding the Fourth Proportional to 26,155.83, 39,250.89 and 15,618

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Solution

The fourth proportional to 26,155.83, 39,250.89 and 15,618 is: 23,437.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,155.83 : 39,250.89 = 15,618 : x
  2. Step 2: Convert to fraction form
    26,155.83/39,250.89 = 15,618/x
  3. Step 3: Cross multiply
    26,155.83x = 39,250.89 × 15,618
  4. Step 4: Simplify right side
    26,155.83x = 613,020,400.02
  5. Step 5: Solve for x
    x = 613,020,400.02/26,155.83
  6. Step 6: Final answer
    x = 23,437.24

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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.