Home / 28,038.38-42,066.35-8,317.04

Finding the Fourth Proportional to 28,038.38, 42,066.35 and 8,317.04

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Solution

The fourth proportional to 28,038.38, 42,066.35 and 8,317.04 is: 12,478.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,038.38 : 42,066.35 = 8,317.04 : x
  2. Step 2: Convert to fraction form
    28,038.38/42,066.35 = 8,317.04/x
  3. Step 3: Cross multiply
    28,038.38x = 42,066.35 × 8,317.04
  4. Step 4: Simplify right side
    28,038.38x = 349,867,610.37
  5. Step 5: Solve for x
    x = 349,867,610.37/28,038.38
  6. Step 6: Final answer
    x = 12,478.17

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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.