Home / 25,319.61-34,918.35-21,084.69

Finding the Fourth Proportional to 25,319.61, 34,918.35 and 21,084.69

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Solution

The fourth proportional to 25,319.61, 34,918.35 and 21,084.69 is: 29,077.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,319.61 : 34,918.35 = 21,084.69 : x
  2. Step 2: Convert to fraction form
    25,319.61/34,918.35 = 21,084.69/x
  3. Step 3: Cross multiply
    25,319.61x = 34,918.35 × 21,084.69
  4. Step 4: Simplify right side
    25,319.61x = 736,242,585.06
  5. Step 5: Solve for x
    x = 736,242,585.06/25,319.61
  6. Step 6: Final answer
    x = 29,077.96

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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.