Home / 28,376.83-42,567.69-7,316.69

Finding the Fourth Proportional to 28,376.83, 42,567.69 and 7,316.69

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Solution

The fourth proportional to 28,376.83, 42,567.69 and 7,316.69 is: 10,975.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,376.83 : 42,567.69 = 7,316.69 : x
  2. Step 2: Convert to fraction form
    28,376.83/42,567.69 = 7,316.69/x
  3. Step 3: Cross multiply
    28,376.83x = 42,567.69 × 7,316.69
  4. Step 4: Simplify right side
    28,376.83x = 311,454,406.35
  5. Step 5: Solve for x
    x = 311,454,406.35/28,376.83
  6. Step 6: Final answer
    x = 10,975.66

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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.