Home / 25,075.60-37,666.20-21,187.60

Finding the Fourth Proportional to 25,075.60, 37,666.20 and 21,187.60

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Solution

The fourth proportional to 25,075.60, 37,666.20 and 21,187.60 is: 31,826.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,075.60 : 37,666.20 = 21,187.60 : x
  2. Step 2: Convert to fraction form
    25,075.60/37,666.20 = 21,187.60/x
  3. Step 3: Cross multiply
    25,075.60x = 37,666.20 × 21,187.60
  4. Step 4: Simplify right side
    25,075.60x = 798,056,379.12
  5. Step 5: Solve for x
    x = 798,056,379.12/25,075.60
  6. Step 6: Final answer
    x = 31,826.01

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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.