Home / 25,390.64-38,094.60-13,070

Finding the Fourth Proportional to 25,390.64, 38,094.60 and 13,070

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Solution

The fourth proportional to 25,390.64, 38,094.60 and 13,070 is: 19,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,390.64 : 38,094.60 = 13,070 : x
  2. Step 2: Convert to fraction form
    25,390.64/38,094.60 = 13,070/x
  3. Step 3: Cross multiply
    25,390.64x = 38,094.60 × 13,070
  4. Step 4: Simplify right side
    25,390.64x = 497,896,422
  5. Step 5: Solve for x
    x = 497,896,422/25,390.64
  6. Step 6: Final answer
    x = 19,609.45

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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.