Home / 28,339.20-42,508.80-26,913.60

Finding the Fourth Proportional to 28,339.20, 42,508.80 and 26,913.60

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Solution

The fourth proportional to 28,339.20, 42,508.80 and 26,913.60 is: 40,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,339.20 : 42,508.80 = 26,913.60 : x
  2. Step 2: Convert to fraction form
    28,339.20/42,508.80 = 26,913.60/x
  3. Step 3: Cross multiply
    28,339.20x = 42,508.80 × 26,913.60
  4. Step 4: Simplify right side
    28,339.20x = 1,144,064,839.68
  5. Step 5: Solve for x
    x = 1,144,064,839.68/28,339.20
  6. Step 6: Final answer
    x = 40,370.40

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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.