Home / 52,526.10-72,485.90-28,652.78

Finding the Fourth Proportional to 52,526.10, 72,485.90 and 28,652.78

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Solution

The fourth proportional to 52,526.10, 72,485.90 and 28,652.78 is: 39,540.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,526.10 : 72,485.90 = 28,652.78 : x
  2. Step 2: Convert to fraction form
    52,526.10/72,485.90 = 28,652.78/x
  3. Step 3: Cross multiply
    52,526.10x = 72,485.90 × 28,652.78
  4. Step 4: Simplify right side
    52,526.10x = 2,076,922,040.11
  5. Step 5: Solve for x
    x = 2,076,922,040.11/52,526.10
  6. Step 6: Final answer
    x = 39,540.76

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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.