Home / 28,213.93-39,113.47-26,715.88

Finding the Fourth Proportional to 28,213.93, 39,113.47 and 26,715.88

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Solution

The fourth proportional to 28,213.93, 39,113.47 and 26,715.88 is: 37,036.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,213.93 : 39,113.47 = 26,715.88 : x
  2. Step 2: Convert to fraction form
    28,213.93/39,113.47 = 26,715.88/x
  3. Step 3: Cross multiply
    28,213.93x = 39,113.47 × 26,715.88
  4. Step 4: Simplify right side
    28,213.93x = 1,044,950,770.90
  5. Step 5: Solve for x
    x = 1,044,950,770.90/28,213.93
  6. Step 6: Final answer
    x = 37,036.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.