Home / 26,543.68-36,618-15,914.86

Finding the Fourth Proportional to 26,543.68, 36,618 and 15,914.86

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Solution

The fourth proportional to 26,543.68, 36,618 and 15,914.86 is: 21,955.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,543.68 : 36,618 = 15,914.86 : x
  2. Step 2: Convert to fraction form
    26,543.68/36,618 = 15,914.86/x
  3. Step 3: Cross multiply
    26,543.68x = 36,618 × 15,914.86
  4. Step 4: Simplify right side
    26,543.68x = 582,770,343.48
  5. Step 5: Solve for x
    x = 582,770,343.48/26,543.68
  6. Step 6: Final answer
    x = 21,955.15

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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.