Home / 40,633.56-56,075.22-28,717.92

Finding the Fourth Proportional to 40,633.56, 56,075.22 and 28,717.92

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Solution

The fourth proportional to 40,633.56, 56,075.22 and 28,717.92 is: 39,631.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,633.56 : 56,075.22 = 28,717.92 : x
  2. Step 2: Convert to fraction form
    40,633.56/56,075.22 = 28,717.92/x
  3. Step 3: Cross multiply
    40,633.56x = 56,075.22 × 28,717.92
  4. Step 4: Simplify right side
    40,633.56x = 1,610,363,681.94
  5. Step 5: Solve for x
    x = 1,610,363,681.94/40,633.56
  6. Step 6: Final answer
    x = 39,631.37

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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.