Home / 26,318.86-36,308.36-15,702.32

Finding the Fourth Proportional to 26,318.86, 36,308.36 and 15,702.32

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Solution

The fourth proportional to 26,318.86, 36,308.36 and 15,702.32 is: 21,662.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,318.86 : 36,308.36 = 15,702.32 : x
  2. Step 2: Convert to fraction form
    26,318.86/36,308.36 = 15,702.32/x
  3. Step 3: Cross multiply
    26,318.86x = 36,308.36 × 15,702.32
  4. Step 4: Simplify right side
    26,318.86x = 570,125,617.42
  5. Step 5: Solve for x
    x = 570,125,617.42/26,318.86
  6. Step 6: Final answer
    x = 21,662.25

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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.