Home / 52,700.24-72,724.78-28,826.40

Finding the Fourth Proportional to 52,700.24, 72,724.78 and 28,826.40

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Solution

The fourth proportional to 52,700.24, 72,724.78 and 28,826.40 is: 39,779.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,700.24 : 72,724.78 = 28,826.40 : x
  2. Step 2: Convert to fraction form
    52,700.24/72,724.78 = 28,826.40/x
  3. Step 3: Cross multiply
    52,700.24x = 72,724.78 × 28,826.40
  4. Step 4: Simplify right side
    52,700.24x = 2,096,393,598.19
  5. Step 5: Solve for x
    x = 2,096,393,598.19/52,700.24
  6. Step 6: Final answer
    x = 39,779.58

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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.