Home / 28,020.64-42,051.48-14,875.60

Finding the Fourth Proportional to 28,020.64, 42,051.48 and 14,875.60

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Solution

The fourth proportional to 28,020.64, 42,051.48 and 14,875.60 is: 22,324.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,020.64 : 42,051.48 = 14,875.60 : x
  2. Step 2: Convert to fraction form
    28,020.64/42,051.48 = 14,875.60/x
  3. Step 3: Cross multiply
    28,020.64x = 42,051.48 × 14,875.60
  4. Step 4: Simplify right side
    28,020.64x = 625,540,995.89
  5. Step 5: Solve for x
    x = 625,540,995.89/28,020.64
  6. Step 6: Final answer
    x = 22,324.29

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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.