Home / 25,159.88-34,718.52-13,828.76

Finding the Fourth Proportional to 25,159.88, 34,718.52 and 13,828.76

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Solution

The fourth proportional to 25,159.88, 34,718.52 and 13,828.76 is: 19,082.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,159.88 : 34,718.52 = 13,828.76 : x
  2. Step 2: Convert to fraction form
    25,159.88/34,718.52 = 13,828.76/x
  3. Step 3: Cross multiply
    25,159.88x = 34,718.52 × 13,828.76
  4. Step 4: Simplify right side
    25,159.88x = 480,114,080.64
  5. Step 5: Solve for x
    x = 480,114,080.64/25,159.88
  6. Step 6: Final answer
    x = 19,082.53

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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.