Home / 28,266.60-42,399.90-25,847.40

Finding the Fourth Proportional to 28,266.60, 42,399.90 and 25,847.40

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Solution

The fourth proportional to 28,266.60, 42,399.90 and 25,847.40 is: 38,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,266.60 : 42,399.90 = 25,847.40 : x
  2. Step 2: Convert to fraction form
    28,266.60/42,399.90 = 25,847.40/x
  3. Step 3: Cross multiply
    28,266.60x = 42,399.90 × 25,847.40
  4. Step 4: Simplify right side
    28,266.60x = 1,095,927,175.26
  5. Step 5: Solve for x
    x = 1,095,927,175.26/28,266.60
  6. Step 6: Final answer
    x = 38,771.10

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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.