Home / 28,276.03-42,416.10-9,549.84

Finding the Fourth Proportional to 28,276.03, 42,416.10 and 9,549.84

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Solution

The fourth proportional to 28,276.03, 42,416.10 and 9,549.84 is: 14,325.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,276.03 : 42,416.10 = 9,549.84 : x
  2. Step 2: Convert to fraction form
    28,276.03/42,416.10 = 9,549.84/x
  3. Step 3: Cross multiply
    28,276.03x = 42,416.10 × 9,549.84
  4. Step 4: Simplify right side
    28,276.03x = 405,066,968.42
  5. Step 5: Solve for x
    x = 405,066,968.42/28,276.03
  6. Step 6: Final answer
    x = 14,325.46

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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.