Home / 28,392.12-42,595.86-10,862.52

Finding the Fourth Proportional to 28,392.12, 42,595.86 and 10,862.52

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Solution

The fourth proportional to 28,392.12, 42,595.86 and 10,862.52 is: 16,296.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392.12 : 42,595.86 = 10,862.52 : x
  2. Step 2: Convert to fraction form
    28,392.12/42,595.86 = 10,862.52/x
  3. Step 3: Cross multiply
    28,392.12x = 42,595.86 × 10,862.52
  4. Step 4: Simplify right side
    28,392.12x = 462,698,381.17
  5. Step 5: Solve for x
    x = 462,698,381.17/28,392.12
  6. Step 6: Final answer
    x = 16,296.72

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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.