Home / 21,723.95-32,588.60-7,681.07

Finding the Fourth Proportional to 21,723.95, 32,588.60 and 7,681.07

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Solution

The fourth proportional to 21,723.95, 32,588.60 and 7,681.07 is: 11,522.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,723.95 : 32,588.60 = 7,681.07 : x
  2. Step 2: Convert to fraction form
    21,723.95/32,588.60 = 7,681.07/x
  3. Step 3: Cross multiply
    21,723.95x = 32,588.60 × 7,681.07
  4. Step 4: Simplify right side
    21,723.95x = 250,315,360.87
  5. Step 5: Solve for x
    x = 250,315,360.87/21,723.95
  6. Step 6: Final answer
    x = 11,522.55

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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.