Home / 28,228.98-42,328.32-9,502.77

Finding the Fourth Proportional to 28,228.98, 42,328.32 and 9,502.77

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Solution

The fourth proportional to 28,228.98, 42,328.32 and 9,502.77 is: 14,249.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,228.98 : 42,328.32 = 9,502.77 : x
  2. Step 2: Convert to fraction form
    28,228.98/42,328.32 = 9,502.77/x
  3. Step 3: Cross multiply
    28,228.98x = 42,328.32 × 9,502.77
  4. Step 4: Simplify right side
    28,228.98x = 402,236,289.45
  5. Step 5: Solve for x
    x = 402,236,289.45/28,228.98
  6. Step 6: Final answer
    x = 14,249.06

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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.