Home / 15,827.76-23,740.98-4,140.72

Finding the Fourth Proportional to 15,827.76, 23,740.98 and 4,140.72

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Solution

The fourth proportional to 15,827.76, 23,740.98 and 4,140.72 is: 6,210.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,827.76 : 23,740.98 = 4,140.72 : x
  2. Step 2: Convert to fraction form
    15,827.76/23,740.98 = 4,140.72/x
  3. Step 3: Cross multiply
    15,827.76x = 23,740.98 × 4,140.72
  4. Step 4: Simplify right side
    15,827.76x = 98,304,750.71
  5. Step 5: Solve for x
    x = 98,304,750.71/15,827.76
  6. Step 6: Final answer
    x = 6,210.91

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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.