Home / 26,923.31-40,393.23-13,784.91

Finding the Fourth Proportional to 26,923.31, 40,393.23 and 13,784.91

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Solution

The fourth proportional to 26,923.31, 40,393.23 and 13,784.91 is: 20,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,923.31 : 40,393.23 = 13,784.91 : x
  2. Step 2: Convert to fraction form
    26,923.31/40,393.23 = 13,784.91/x
  3. Step 3: Cross multiply
    26,923.31x = 40,393.23 × 13,784.91
  4. Step 4: Simplify right side
    26,923.31x = 556,817,040.16
  5. Step 5: Solve for x
    x = 556,817,040.16/26,923.31
  6. Step 6: Final answer
    x = 20,681.60

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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.