Home / 20,527.86-28,328.36-11,096.40

Finding the Fourth Proportional to 20,527.86, 28,328.36 and 11,096.40

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Solution

The fourth proportional to 20,527.86, 28,328.36 and 11,096.40 is: 15,312.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527.86 : 28,328.36 = 11,096.40 : x
  2. Step 2: Convert to fraction form
    20,527.86/28,328.36 = 11,096.40/x
  3. Step 3: Cross multiply
    20,527.86x = 28,328.36 × 11,096.40
  4. Step 4: Simplify right side
    20,527.86x = 314,342,758.42
  5. Step 5: Solve for x
    x = 314,342,758.42/20,527.86
  6. Step 6: Final answer
    x = 15,312.98

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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.