Home / 27,289.60-40,868.64-15,567.28

Finding the Fourth Proportional to 27,289.60, 40,868.64 and 15,567.28

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Solution

The fourth proportional to 27,289.60, 40,868.64 and 15,567.28 is: 23,313.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,289.60 : 40,868.64 = 15,567.28 : x
  2. Step 2: Convert to fraction form
    27,289.60/40,868.64 = 15,567.28/x
  3. Step 3: Cross multiply
    27,289.60x = 40,868.64 × 15,567.28
  4. Step 4: Simplify right side
    27,289.60x = 636,213,562.10
  5. Step 5: Solve for x
    x = 636,213,562.10/27,289.60
  6. Step 6: Final answer
    x = 23,313.41

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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.