Home / 52,265.64-72,126.72-28,392.12

Finding the Fourth Proportional to 52,265.64, 72,126.72 and 28,392.12

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Solution

The fourth proportional to 52,265.64, 72,126.72 and 28,392.12 is: 39,181.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,265.64 : 72,126.72 = 28,392.12 : x
  2. Step 2: Convert to fraction form
    52,265.64/72,126.72 = 28,392.12/x
  3. Step 3: Cross multiply
    52,265.64x = 72,126.72 × 28,392.12
  4. Step 4: Simplify right side
    52,265.64x = 2,047,830,489.45
  5. Step 5: Solve for x
    x = 2,047,830,489.45/52,265.64
  6. Step 6: Final answer
    x = 39,181.20

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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.