Home / 28,164.76-38,851.80-18,094.70

Finding the Fourth Proportional to 28,164.76, 38,851.80 and 18,094.70

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Solution

The fourth proportional to 28,164.76, 38,851.80 and 18,094.70 is: 24,960.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,164.76 : 38,851.80 = 18,094.70 : x
  2. Step 2: Convert to fraction form
    28,164.76/38,851.80 = 18,094.70/x
  3. Step 3: Cross multiply
    28,164.76x = 38,851.80 × 18,094.70
  4. Step 4: Simplify right side
    28,164.76x = 703,011,665.46
  5. Step 5: Solve for x
    x = 703,011,665.46/28,164.76
  6. Step 6: Final answer
    x = 24,960.68

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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.