Home / 28,269.04-42,408.45-9,549.22

Finding the Fourth Proportional to 28,269.04, 42,408.45 and 9,549.22

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Solution

The fourth proportional to 28,269.04, 42,408.45 and 9,549.22 is: 14,325.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,269.04 : 42,408.45 = 9,549.22 : x
  2. Step 2: Convert to fraction form
    28,269.04/42,408.45 = 9,549.22/x
  3. Step 3: Cross multiply
    28,269.04x = 42,408.45 × 9,549.22
  4. Step 4: Simplify right side
    28,269.04x = 404,967,430.74
  5. Step 5: Solve for x
    x = 404,967,430.74/28,269.04
  6. Step 6: Final answer
    x = 14,325.47

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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.