Home / 21,659.04-29,880.58-14,587.72

Finding the Fourth Proportional to 21,659.04, 29,880.58 and 14,587.72

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Solution

The fourth proportional to 21,659.04, 29,880.58 and 14,587.72 is: 20,125.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,659.04 : 29,880.58 = 14,587.72 : x
  2. Step 2: Convert to fraction form
    21,659.04/29,880.58 = 14,587.72/x
  3. Step 3: Cross multiply
    21,659.04x = 29,880.58 × 14,587.72
  4. Step 4: Simplify right side
    21,659.04x = 435,889,534.48
  5. Step 5: Solve for x
    x = 435,889,534.48/21,659.04
  6. Step 6: Final answer
    x = 20,125.06

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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.