Home / 16,421.42-24,661.78-15,102.74

Finding the Fourth Proportional to 16,421.42, 24,661.78 and 15,102.74

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Solution

The fourth proportional to 16,421.42, 24,661.78 and 15,102.74 is: 22,681.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,421.42 : 24,661.78 = 15,102.74 : x
  2. Step 2: Convert to fraction form
    16,421.42/24,661.78 = 15,102.74/x
  3. Step 3: Cross multiply
    16,421.42x = 24,661.78 × 15,102.74
  4. Step 4: Simplify right side
    16,421.42x = 372,460,475.17
  5. Step 5: Solve for x
    x = 372,460,475.17/16,421.42
  6. Step 6: Final answer
    x = 22,681.38

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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.