Home / 28,125.42-42,061.14-21,463.98

Finding the Fourth Proportional to 28,125.42, 42,061.14 and 21,463.98

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Solution

The fourth proportional to 28,125.42, 42,061.14 and 21,463.98 is: 32,099.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,125.42 : 42,061.14 = 21,463.98 : x
  2. Step 2: Convert to fraction form
    28,125.42/42,061.14 = 21,463.98/x
  3. Step 3: Cross multiply
    28,125.42x = 42,061.14 × 21,463.98
  4. Step 4: Simplify right side
    28,125.42x = 902,799,467.74
  5. Step 5: Solve for x
    x = 902,799,467.74/28,125.42
  6. Step 6: Final answer
    x = 32,099.06

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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.