Home / 25,159.30-34,720.67-13,829.20

Finding the Fourth Proportional to 25,159.30, 34,720.67 and 13,829.20

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Solution

The fourth proportional to 25,159.30, 34,720.67 and 13,829.20 is: 19,084.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,159.30 : 34,720.67 = 13,829.20 : x
  2. Step 2: Convert to fraction form
    25,159.30/34,720.67 = 13,829.20/x
  3. Step 3: Cross multiply
    25,159.30x = 34,720.67 × 13,829.20
  4. Step 4: Simplify right side
    25,159.30x = 480,158,846.81
  5. Step 5: Solve for x
    x = 480,158,846.81/25,159.30
  6. Step 6: Final answer
    x = 19,084.75

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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.