Home / 19,026.40-28,539.60-15,527.20

Finding the Fourth Proportional to 19,026.40, 28,539.60 and 15,527.20

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Solution

The fourth proportional to 19,026.40, 28,539.60 and 15,527.20 is: 23,290.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,026.40 : 28,539.60 = 15,527.20 : x
  2. Step 2: Convert to fraction form
    19,026.40/28,539.60 = 15,527.20/x
  3. Step 3: Cross multiply
    19,026.40x = 28,539.60 × 15,527.20
  4. Step 4: Simplify right side
    19,026.40x = 443,140,077.12
  5. Step 5: Solve for x
    x = 443,140,077.12/19,026.40
  6. Step 6: Final answer
    x = 23,290.80

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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.