Home / 19,023.30-28,424.88-13,733.19

Finding the Fourth Proportional to 19,023.30, 28,424.88 and 13,733.19

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Solution

The fourth proportional to 19,023.30, 28,424.88 and 13,733.19 is: 20,520.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,023.30 : 28,424.88 = 13,733.19 : x
  2. Step 2: Convert to fraction form
    19,023.30/28,424.88 = 13,733.19/x
  3. Step 3: Cross multiply
    19,023.30x = 28,424.88 × 13,733.19
  4. Step 4: Simplify right side
    19,023.30x = 390,364,277.77
  5. Step 5: Solve for x
    x = 390,364,277.77/19,023.30
  6. Step 6: Final answer
    x = 20,520.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.