Home / 25,730.56-38,603.13-13,259.71

Finding the Fourth Proportional to 25,730.56, 38,603.13 and 13,259.71

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Solution

The fourth proportional to 25,730.56, 38,603.13 and 13,259.71 is: 19,893.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,730.56 : 38,603.13 = 13,259.71 : x
  2. Step 2: Convert to fraction form
    25,730.56/38,603.13 = 13,259.71/x
  3. Step 3: Cross multiply
    25,730.56x = 38,603.13 × 13,259.71
  4. Step 4: Simplify right side
    25,730.56x = 511,866,308.89
  5. Step 5: Solve for x
    x = 511,866,308.89/25,730.56
  6. Step 6: Final answer
    x = 19,893.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.