Home / 28,218.54-42,298.48-9,492.22

Finding the Fourth Proportional to 28,218.54, 42,298.48 and 9,492.22

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Solution

The fourth proportional to 28,218.54, 42,298.48 and 9,492.22 is: 14,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,218.54 : 42,298.48 = 9,492.22 : x
  2. Step 2: Convert to fraction form
    28,218.54/42,298.48 = 9,492.22/x
  3. Step 3: Cross multiply
    28,218.54x = 42,298.48 × 9,492.22
  4. Step 4: Simplify right side
    28,218.54x = 401,506,218.87
  5. Step 5: Solve for x
    x = 401,506,218.87/28,218.54
  6. Step 6: Final answer
    x = 14,228.45

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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.