Home / 19,126.89-28,498.10-18,052.57

Finding the Fourth Proportional to 19,126.89, 28,498.10 and 18,052.57

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Solution

The fourth proportional to 19,126.89, 28,498.10 and 18,052.57 is: 26,897.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126.89 : 28,498.10 = 18,052.57 : x
  2. Step 2: Convert to fraction form
    19,126.89/28,498.10 = 18,052.57/x
  3. Step 3: Cross multiply
    19,126.89x = 28,498.10 × 18,052.57
  4. Step 4: Simplify right side
    19,126.89x = 514,463,783.61
  5. Step 5: Solve for x
    x = 514,463,783.61/19,126.89
  6. Step 6: Final answer
    x = 26,897.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.