Home / 21,487.41-32,280.53-15,262.56

Finding the Fourth Proportional to 21,487.41, 32,280.53 and 15,262.56

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Solution

The fourth proportional to 21,487.41, 32,280.53 and 15,262.56 is: 22,928.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,487.41 : 32,280.53 = 15,262.56 : x
  2. Step 2: Convert to fraction form
    21,487.41/32,280.53 = 15,262.56/x
  3. Step 3: Cross multiply
    21,487.41x = 32,280.53 × 15,262.56
  4. Step 4: Simplify right side
    21,487.41x = 492,683,449.64
  5. Step 5: Solve for x
    x = 492,683,449.64/21,487.41
  6. Step 6: Final answer
    x = 22,928.94

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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.