Home / 20,842.03-28,762.01-11,410.59

Finding the Fourth Proportional to 20,842.03, 28,762.01 and 11,410.59

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Solution

The fourth proportional to 20,842.03, 28,762.01 and 11,410.59 is: 15,746.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,842.03 : 28,762.01 = 11,410.59 : x
  2. Step 2: Convert to fraction form
    20,842.03/28,762.01 = 11,410.59/x
  3. Step 3: Cross multiply
    20,842.03x = 28,762.01 × 11,410.59
  4. Step 4: Simplify right side
    20,842.03x = 328,191,597.28
  5. Step 5: Solve for x
    x = 328,191,597.28/20,842.03
  6. Step 6: Final answer
    x = 15,746.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.