Home / 28,347.58-42,484.26-11,688.22

Finding the Fourth Proportional to 28,347.58, 42,484.26 and 11,688.22

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Solution

The fourth proportional to 28,347.58, 42,484.26 and 11,688.22 is: 17,517.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,347.58 : 42,484.26 = 11,688.22 : x
  2. Step 2: Convert to fraction form
    28,347.58/42,484.26 = 11,688.22/x
  3. Step 3: Cross multiply
    28,347.58x = 42,484.26 × 11,688.22
  4. Step 4: Simplify right side
    28,347.58x = 496,565,377.42
  5. Step 5: Solve for x
    x = 496,565,377.42/28,347.58
  6. Step 6: Final answer
    x = 17,517.03

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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.