Home / 28,108.18-38,840.70-26,741.80

Finding the Fourth Proportional to 28,108.18, 38,840.70 and 26,741.80

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Solution

The fourth proportional to 28,108.18, 38,840.70 and 26,741.80 is: 36,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,108.18 : 38,840.70 = 26,741.80 : x
  2. Step 2: Convert to fraction form
    28,108.18/38,840.70 = 26,741.80/x
  3. Step 3: Cross multiply
    28,108.18x = 38,840.70 × 26,741.80
  4. Step 4: Simplify right side
    28,108.18x = 1,038,670,231.26
  5. Step 5: Solve for x
    x = 1,038,670,231.26/28,108.18
  6. Step 6: Final answer
    x = 36,952.60

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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.