Home / 26,287.16-36,280.58-15,683.04

Finding the Fourth Proportional to 26,287.16, 36,280.58 and 15,683.04

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Solution

The fourth proportional to 26,287.16, 36,280.58 and 15,683.04 is: 21,645.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,287.16 : 36,280.58 = 15,683.04 : x
  2. Step 2: Convert to fraction form
    26,287.16/36,280.58 = 15,683.04/x
  3. Step 3: Cross multiply
    26,287.16x = 36,280.58 × 15,683.04
  4. Step 4: Simplify right side
    26,287.16x = 568,989,708.95
  5. Step 5: Solve for x
    x = 568,989,708.95/26,287.16
  6. Step 6: Final answer
    x = 21,645.16

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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.