Home / 25,034.45-34,547.57-15,603

Finding the Fourth Proportional to 25,034.45, 34,547.57 and 15,603

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Solution

The fourth proportional to 25,034.45, 34,547.57 and 15,603 is: 21,532.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,034.45 : 34,547.57 = 15,603 : x
  2. Step 2: Convert to fraction form
    25,034.45/34,547.57 = 15,603/x
  3. Step 3: Cross multiply
    25,034.45x = 34,547.57 × 15,603
  4. Step 4: Simplify right side
    25,034.45x = 539,045,656.70
  5. Step 5: Solve for x
    x = 539,045,656.70/25,034.45
  6. Step 6: Final answer
    x = 21,532.16

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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.