Home / 23,750.69-32,775.73-13,140.09

Finding the Fourth Proportional to 23,750.69, 32,775.73 and 13,140.09

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Solution

The fourth proportional to 23,750.69, 32,775.73 and 13,140.09 is: 18,133.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,750.69 : 32,775.73 = 13,140.09 : x
  2. Step 2: Convert to fraction form
    23,750.69/32,775.73 = 13,140.09/x
  3. Step 3: Cross multiply
    23,750.69x = 32,775.73 × 13,140.09
  4. Step 4: Simplify right side
    23,750.69x = 430,676,009.17
  5. Step 5: Solve for x
    x = 430,676,009.17/23,750.69
  6. Step 6: Final answer
    x = 18,133.20

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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.