Home / 28,242.41-39,015.08-22,569.72

Finding the Fourth Proportional to 28,242.41, 39,015.08 and 22,569.72

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Solution

The fourth proportional to 28,242.41, 39,015.08 and 22,569.72 is: 31,178.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,242.41 : 39,015.08 = 22,569.72 : x
  2. Step 2: Convert to fraction form
    28,242.41/39,015.08 = 22,569.72/x
  3. Step 3: Cross multiply
    28,242.41x = 39,015.08 × 22,569.72
  4. Step 4: Simplify right side
    28,242.41x = 880,559,318.53
  5. Step 5: Solve for x
    x = 880,559,318.53/28,242.41
  6. Step 6: Final answer
    x = 31,178.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.