Home / 40,528.98-60,814.87-28,758.80

Finding the Fourth Proportional to 40,528.98, 60,814.87 and 28,758.80

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Solution

The fourth proportional to 40,528.98, 60,814.87 and 28,758.80 is: 43,153.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,528.98 : 60,814.87 = 28,758.80 : x
  2. Step 2: Convert to fraction form
    40,528.98/60,814.87 = 28,758.80/x
  3. Step 3: Cross multiply
    40,528.98x = 60,814.87 × 28,758.80
  4. Step 4: Simplify right side
    40,528.98x = 1,748,962,763.50
  5. Step 5: Solve for x
    x = 1,748,962,763.50/40,528.98
  6. Step 6: Final answer
    x = 43,153.39

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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.