Home / 28,364.90-42,482.60-13,584.26

Finding the Fourth Proportional to 28,364.90, 42,482.60 and 13,584.26

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Solution

The fourth proportional to 28,364.90, 42,482.60 and 13,584.26 is: 20,345.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,364.90 : 42,482.60 = 13,584.26 : x
  2. Step 2: Convert to fraction form
    28,364.90/42,482.60 = 13,584.26/x
  3. Step 3: Cross multiply
    28,364.90x = 42,482.60 × 13,584.26
  4. Step 4: Simplify right side
    28,364.90x = 577,094,683.88
  5. Step 5: Solve for x
    x = 577,094,683.88/28,364.90
  6. Step 6: Final answer
    x = 20,345.38

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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.