Home / 28,526.24-42,789.36-10,752.08

Finding the Fourth Proportional to 28,526.24, 42,789.36 and 10,752.08

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Solution

The fourth proportional to 28,526.24, 42,789.36 and 10,752.08 is: 16,128.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,526.24 : 42,789.36 = 10,752.08 : x
  2. Step 2: Convert to fraction form
    28,526.24/42,789.36 = 10,752.08/x
  3. Step 3: Cross multiply
    28,526.24x = 42,789.36 × 10,752.08
  4. Step 4: Simplify right side
    28,526.24x = 460,074,488.02
  5. Step 5: Solve for x
    x = 460,074,488.02/28,526.24
  6. Step 6: Final answer
    x = 16,128.12

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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.