Home / 28,645.44-39,547.16-19,082.76

Finding the Fourth Proportional to 28,645.44, 39,547.16 and 19,082.76

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Solution

The fourth proportional to 28,645.44, 39,547.16 and 19,082.76 is: 26,345.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,645.44 : 39,547.16 = 19,082.76 : x
  2. Step 2: Convert to fraction form
    28,645.44/39,547.16 = 19,082.76/x
  3. Step 3: Cross multiply
    28,645.44x = 39,547.16 × 19,082.76
  4. Step 4: Simplify right side
    28,645.44x = 754,668,962.96
  5. Step 5: Solve for x
    x = 754,668,962.96/28,645.44
  6. Step 6: Final answer
    x = 26,345.17

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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.