Home / 28,313.04-42,432.96-11,654.28

Finding the Fourth Proportional to 28,313.04, 42,432.96 and 11,654.28

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Solution

The fourth proportional to 28,313.04, 42,432.96 and 11,654.28 is: 17,466.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,313.04 : 42,432.96 = 11,654.28 : x
  2. Step 2: Convert to fraction form
    28,313.04/42,432.96 = 11,654.28/x
  3. Step 3: Cross multiply
    28,313.04x = 42,432.96 × 11,654.28
  4. Step 4: Simplify right side
    28,313.04x = 494,525,597.07
  5. Step 5: Solve for x
    x = 494,525,597.07/28,313.04
  6. Step 6: Final answer
    x = 17,466.35

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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.