Home / 28,258.16-42,401.01-11,623.19

Finding the Fourth Proportional to 28,258.16, 42,401.01 and 11,623.19

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Solution

The fourth proportional to 28,258.16, 42,401.01 and 11,623.19 is: 17,440.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,258.16 : 42,401.01 = 11,623.19 : x
  2. Step 2: Convert to fraction form
    28,258.16/42,401.01 = 11,623.19/x
  3. Step 3: Cross multiply
    28,258.16x = 42,401.01 × 11,623.19
  4. Step 4: Simplify right side
    28,258.16x = 492,834,783.42
  5. Step 5: Solve for x
    x = 492,834,783.42/28,258.16
  6. Step 6: Final answer
    x = 17,440.44

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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.