Home / 26,681.66-40,009.93-15,591.55

Finding the Fourth Proportional to 26,681.66, 40,009.93 and 15,591.55

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Solution

The fourth proportional to 26,681.66, 40,009.93 and 15,591.55 is: 23,379.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,681.66 : 40,009.93 = 15,591.55 : x
  2. Step 2: Convert to fraction form
    26,681.66/40,009.93 = 15,591.55/x
  3. Step 3: Cross multiply
    26,681.66x = 40,009.93 × 15,591.55
  4. Step 4: Simplify right side
    26,681.66x = 623,816,824.09
  5. Step 5: Solve for x
    x = 623,816,824.09/26,681.66
  6. Step 6: Final answer
    x = 23,379.99

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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.