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Finding the Fourth Proportional to 35,280, 52,927.74 and 10,322.16

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Solution

The fourth proportional to 35,280, 52,927.74 and 10,322.16 is: 15,485.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,280 : 52,927.74 = 10,322.16 : x
  2. Step 2: Convert to fraction form
    35,280/52,927.74 = 10,322.16/x
  3. Step 3: Cross multiply
    35,280x = 52,927.74 × 10,322.16
  4. Step 4: Simplify right side
    35,280x = 546,328,600.72
  5. Step 5: Solve for x
    x = 546,328,600.72/35,280
  6. Step 6: Final answer
    x = 15,485.50

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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.