Home / 25,808.40-38,719.89-10,018.26

Finding the Fourth Proportional to 25,808.40, 38,719.89 and 10,018.26

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Solution

The fourth proportional to 25,808.40, 38,719.89 and 10,018.26 is: 15,030.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,808.40 : 38,719.89 = 10,018.26 : x
  2. Step 2: Convert to fraction form
    25,808.40/38,719.89 = 10,018.26/x
  3. Step 3: Cross multiply
    25,808.40x = 38,719.89 × 10,018.26
  4. Step 4: Simplify right side
    25,808.40x = 387,905,925.19
  5. Step 5: Solve for x
    x = 387,905,925.19/25,808.40
  6. Step 6: Final answer
    x = 15,030.22

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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.