Home / 18,005.16-26,919-15,262.50

Finding the Fourth Proportional to 18,005.16, 26,919 and 15,262.50

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Solution

The fourth proportional to 18,005.16, 26,919 and 15,262.50 is: 22,818.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,005.16 : 26,919 = 15,262.50 : x
  2. Step 2: Convert to fraction form
    18,005.16/26,919 = 15,262.50/x
  3. Step 3: Cross multiply
    18,005.16x = 26,919 × 15,262.50
  4. Step 4: Simplify right side
    18,005.16x = 410,851,237.50
  5. Step 5: Solve for x
    x = 410,851,237.50/18,005.16
  6. Step 6: Final answer
    x = 22,818.53

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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.