Home / 25,719.23-35,495.80-14,389.35

Finding the Fourth Proportional to 25,719.23, 35,495.80 and 14,389.35

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Solution

The fourth proportional to 25,719.23, 35,495.80 and 14,389.35 is: 19,859.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,719.23 : 35,495.80 = 14,389.35 : x
  2. Step 2: Convert to fraction form
    25,719.23/35,495.80 = 14,389.35/x
  3. Step 3: Cross multiply
    25,719.23x = 35,495.80 × 14,389.35
  4. Step 4: Simplify right side
    25,719.23x = 510,761,489.73
  5. Step 5: Solve for x
    x = 510,761,489.73/25,719.23
  6. Step 6: Final answer
    x = 19,859.13

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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.