Home / 28,024.39-42,022.81-9,298.07

Finding the Fourth Proportional to 28,024.39, 42,022.81 and 9,298.07

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Solution

The fourth proportional to 28,024.39, 42,022.81 and 9,298.07 is: 13,942.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,024.39 : 42,022.81 = 9,298.07 : x
  2. Step 2: Convert to fraction form
    28,024.39/42,022.81 = 9,298.07/x
  3. Step 3: Cross multiply
    28,024.39x = 42,022.81 × 9,298.07
  4. Step 4: Simplify right side
    28,024.39x = 390,730,772.37
  5. Step 5: Solve for x
    x = 390,730,772.37/28,024.39
  6. Step 6: Final answer
    x = 13,942.53

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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.