Home / 52,485.64-72,427.50-28,609.96

Finding the Fourth Proportional to 52,485.64, 72,427.50 and 28,609.96

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Solution

The fourth proportional to 52,485.64, 72,427.50 and 28,609.96 is: 39,480.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,485.64 : 72,427.50 = 28,609.96 : x
  2. Step 2: Convert to fraction form
    52,485.64/72,427.50 = 28,609.96/x
  3. Step 3: Cross multiply
    52,485.64x = 72,427.50 × 28,609.96
  4. Step 4: Simplify right side
    52,485.64x = 2,072,147,877.90
  5. Step 5: Solve for x
    x = 2,072,147,877.90/52,485.64
  6. Step 6: Final answer
    x = 39,480.28

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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.