Home / 28,594.85-42,898.01-9,875.57

Finding the Fourth Proportional to 28,594.85, 42,898.01 and 9,875.57

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Solution

The fourth proportional to 28,594.85, 42,898.01 and 9,875.57 is: 14,815.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,594.85 : 42,898.01 = 9,875.57 : x
  2. Step 2: Convert to fraction form
    28,594.85/42,898.01 = 9,875.57/x
  3. Step 3: Cross multiply
    28,594.85x = 42,898.01 × 9,875.57
  4. Step 4: Simplify right side
    28,594.85x = 423,642,278.05
  5. Step 5: Solve for x
    x = 423,642,278.05/28,594.85
  6. Step 6: Final answer
    x = 14,815.34

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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.