Home / 19,242.12-28,888.56-19,020.72

Finding the Fourth Proportional to 19,242.12, 28,888.56 and 19,020.72

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Solution

The fourth proportional to 19,242.12, 28,888.56 and 19,020.72 is: 28,556.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242.12 : 28,888.56 = 19,020.72 : x
  2. Step 2: Convert to fraction form
    19,242.12/28,888.56 = 19,020.72/x
  3. Step 3: Cross multiply
    19,242.12x = 28,888.56 × 19,020.72
  4. Step 4: Simplify right side
    19,242.12x = 549,481,210.96
  5. Step 5: Solve for x
    x = 549,481,210.96/19,242.12
  6. Step 6: Final answer
    x = 28,556.17

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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.