Home / 26,902.98-37,112.28-15,718.50

Finding the Fourth Proportional to 26,902.98, 37,112.28 and 15,718.50

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Solution

The fourth proportional to 26,902.98, 37,112.28 and 15,718.50 is: 21,683.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,902.98 : 37,112.28 = 15,718.50 : x
  2. Step 2: Convert to fraction form
    26,902.98/37,112.28 = 15,718.50/x
  3. Step 3: Cross multiply
    26,902.98x = 37,112.28 × 15,718.50
  4. Step 4: Simplify right side
    26,902.98x = 583,349,373.18
  5. Step 5: Solve for x
    x = 583,349,373.18/26,902.98
  6. Step 6: Final answer
    x = 21,683.45

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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.