Home / 20,527.15-28,327.47-11,095.71

Finding the Fourth Proportional to 20,527.15, 28,327.47 and 11,095.71

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Solution

The fourth proportional to 20,527.15, 28,327.47 and 11,095.71 is: 15,312.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527.15 : 28,327.47 = 11,095.71 : x
  2. Step 2: Convert to fraction form
    20,527.15/28,327.47 = 11,095.71/x
  3. Step 3: Cross multiply
    20,527.15x = 28,327.47 × 11,095.71
  4. Step 4: Simplify right side
    20,527.15x = 314,313,392.15
  5. Step 5: Solve for x
    x = 314,313,392.15/20,527.15
  6. Step 6: Final answer
    x = 15,312.08

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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.