Home / 28,931.22-39,928.05-17,601.53

Finding the Fourth Proportional to 28,931.22, 39,928.05 and 17,601.53

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Solution

The fourth proportional to 28,931.22, 39,928.05 and 17,601.53 is: 24,291.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,931.22 : 39,928.05 = 17,601.53 : x
  2. Step 2: Convert to fraction form
    28,931.22/39,928.05 = 17,601.53/x
  3. Step 3: Cross multiply
    28,931.22x = 39,928.05 × 17,601.53
  4. Step 4: Simplify right side
    28,931.22x = 702,794,570.28
  5. Step 5: Solve for x
    x = 702,794,570.28/28,931.22
  6. Step 6: Final answer
    x = 24,291.91

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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.