Home / 28,228.86-42,351.03-22,950.74

Finding the Fourth Proportional to 28,228.86, 42,351.03 and 22,950.74

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Solution

The fourth proportional to 28,228.86, 42,351.03 and 22,950.74 is: 34,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,228.86 : 42,351.03 = 22,950.74 : x
  2. Step 2: Convert to fraction form
    28,228.86/42,351.03 = 22,950.74/x
  3. Step 3: Cross multiply
    28,228.86x = 42,351.03 × 22,950.74
  4. Step 4: Simplify right side
    28,228.86x = 971,987,266.51
  5. Step 5: Solve for x
    x = 971,987,266.51/28,228.86
  6. Step 6: Final answer
    x = 34,432.40

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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.