Home / 25,360.93-34,987.08-15,283.65

Finding the Fourth Proportional to 25,360.93, 34,987.08 and 15,283.65

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Solution

The fourth proportional to 25,360.93, 34,987.08 and 15,283.65 is: 21,084.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,360.93 : 34,987.08 = 15,283.65 : x
  2. Step 2: Convert to fraction form
    25,360.93/34,987.08 = 15,283.65/x
  3. Step 3: Cross multiply
    25,360.93x = 34,987.08 × 15,283.65
  4. Step 4: Simplify right side
    25,360.93x = 534,730,285.24
  5. Step 5: Solve for x
    x = 534,730,285.24/25,360.93
  6. Step 6: Final answer
    x = 21,084.81

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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.