Home / 25,865.16-38,803.50-14,172.36

Finding the Fourth Proportional to 25,865.16, 38,803.50 and 14,172.36

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Solution

The fourth proportional to 25,865.16, 38,803.50 and 14,172.36 is: 21,261.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,865.16 : 38,803.50 = 14,172.36 : x
  2. Step 2: Convert to fraction form
    25,865.16/38,803.50 = 14,172.36/x
  3. Step 3: Cross multiply
    25,865.16x = 38,803.50 × 14,172.36
  4. Step 4: Simplify right side
    25,865.16x = 549,937,171.26
  5. Step 5: Solve for x
    x = 549,937,171.26/25,865.16
  6. Step 6: Final answer
    x = 21,261.70

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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.