Home / 28,023.64-41,975.16-13,210.36

Finding the Fourth Proportional to 28,023.64, 41,975.16 and 13,210.36

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Solution

The fourth proportional to 28,023.64, 41,975.16 and 13,210.36 is: 19,787.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023.64 : 41,975.16 = 13,210.36 : x
  2. Step 2: Convert to fraction form
    28,023.64/41,975.16 = 13,210.36/x
  3. Step 3: Cross multiply
    28,023.64x = 41,975.16 × 13,210.36
  4. Step 4: Simplify right side
    28,023.64x = 554,506,974.66
  5. Step 5: Solve for x
    x = 554,506,974.66/28,023.64
  6. Step 6: Final answer
    x = 19,787.11

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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.