Home / 28,572.04-42,828.27-11,941.66

Finding the Fourth Proportional to 28,572.04, 42,828.27 and 11,941.66

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Solution

The fourth proportional to 28,572.04, 42,828.27 and 11,941.66 is: 17,900.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,572.04 : 42,828.27 = 11,941.66 : x
  2. Step 2: Convert to fraction form
    28,572.04/42,828.27 = 11,941.66/x
  3. Step 3: Cross multiply
    28,572.04x = 42,828.27 × 11,941.66
  4. Step 4: Simplify right side
    28,572.04x = 511,440,638.73
  5. Step 5: Solve for x
    x = 511,440,638.73/28,572.04
  6. Step 6: Final answer
    x = 17,900.04

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1.5x scale

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.