Home / 28,678.86-39,542.58-24,693.12

Finding the Fourth Proportional to 28,678.86, 39,542.58 and 24,693.12

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Solution

The fourth proportional to 28,678.86, 39,542.58 and 24,693.12 is: 34,047.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,678.86 : 39,542.58 = 24,693.12 : x
  2. Step 2: Convert to fraction form
    28,678.86/39,542.58 = 24,693.12/x
  3. Step 3: Cross multiply
    28,678.86x = 39,542.58 × 24,693.12
  4. Step 4: Simplify right side
    28,678.86x = 976,429,673.05
  5. Step 5: Solve for x
    x = 976,429,673.05/28,678.86
  6. Step 6: Final answer
    x = 34,047.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.