Home / 28,370.16-42,555.60-15,884.64

Finding the Fourth Proportional to 28,370.16, 42,555.60 and 15,884.64

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Solution

The fourth proportional to 28,370.16, 42,555.60 and 15,884.64 is: 23,827.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,370.16 : 42,555.60 = 15,884.64 : x
  2. Step 2: Convert to fraction form
    28,370.16/42,555.60 = 15,884.64/x
  3. Step 3: Cross multiply
    28,370.16x = 42,555.60 × 15,884.64
  4. Step 4: Simplify right side
    28,370.16x = 675,980,385.98
  5. Step 5: Solve for x
    x = 675,980,385.98/28,370.16
  6. Step 6: Final answer
    x = 23,827.16

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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.