Home / 19,328.78-26,667.63-10,829.75

Finding the Fourth Proportional to 19,328.78, 26,667.63 and 10,829.75

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Solution

The fourth proportional to 19,328.78, 26,667.63 and 10,829.75 is: 14,941.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,328.78 : 26,667.63 = 10,829.75 : x
  2. Step 2: Convert to fraction form
    19,328.78/26,667.63 = 10,829.75/x
  3. Step 3: Cross multiply
    19,328.78x = 26,667.63 × 10,829.75
  4. Step 4: Simplify right side
    19,328.78x = 288,803,632.65
  5. Step 5: Solve for x
    x = 288,803,632.65/19,328.78
  6. Step 6: Final answer
    x = 14,941.64

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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.