Home / 28,040.96-42,062.08-9,574.40

Finding the Fourth Proportional to 28,040.96, 42,062.08 and 9,574.40

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Solution

The fourth proportional to 28,040.96, 42,062.08 and 9,574.40 is: 14,361.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,040.96 : 42,062.08 = 9,574.40 : x
  2. Step 2: Convert to fraction form
    28,040.96/42,062.08 = 9,574.40/x
  3. Step 3: Cross multiply
    28,040.96x = 42,062.08 × 9,574.40
  4. Step 4: Simplify right side
    28,040.96x = 402,719,178.75
  5. Step 5: Solve for x
    x = 402,719,178.75/28,040.96
  6. Step 6: Final answer
    x = 14,361.82

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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.