Home / 28,458.48-42,674.42-16,615.67

Finding the Fourth Proportional to 28,458.48, 42,674.42 and 16,615.67

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Solution

The fourth proportional to 28,458.48, 42,674.42 and 16,615.67 is: 24,915.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,458.48 : 42,674.42 = 16,615.67 : x
  2. Step 2: Convert to fraction form
    28,458.48/42,674.42 = 16,615.67/x
  3. Step 3: Cross multiply
    28,458.48x = 42,674.42 × 16,615.67
  4. Step 4: Simplify right side
    28,458.48x = 709,064,228.39
  5. Step 5: Solve for x
    x = 709,064,228.39/28,458.48
  6. Step 6: Final answer
    x = 24,915.74

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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.