Home / 35,381.08-53,072.20-28,328.40

Finding the Fourth Proportional to 35,381.08, 53,072.20 and 28,328.40

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Solution

The fourth proportional to 35,381.08, 53,072.20 and 28,328.40 is: 42,493.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,381.08 : 53,072.20 = 28,328.40 : x
  2. Step 2: Convert to fraction form
    35,381.08/53,072.20 = 28,328.40/x
  3. Step 3: Cross multiply
    35,381.08x = 53,072.20 × 28,328.40
  4. Step 4: Simplify right side
    35,381.08x = 1,503,450,510.48
  5. Step 5: Solve for x
    x = 1,503,450,510.48/35,381.08
  6. Step 6: Final answer
    x = 42,493.06

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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.