Home / 27,989.67-38,618.08-19,482.24

Finding the Fourth Proportional to 27,989.67, 38,618.08 and 19,482.24

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Solution

The fourth proportional to 27,989.67, 38,618.08 and 19,482.24 is: 26,880.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,989.67 : 38,618.08 = 19,482.24 : x
  2. Step 2: Convert to fraction form
    27,989.67/38,618.08 = 19,482.24/x
  3. Step 3: Cross multiply
    27,989.67x = 38,618.08 × 19,482.24
  4. Step 4: Simplify right side
    27,989.67x = 752,366,702.90
  5. Step 5: Solve for x
    x = 752,366,702.90/27,989.67
  6. Step 6: Final answer
    x = 26,880.16

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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.