Home / 19,888.25-29,767.45-14,621.87

Finding the Fourth Proportional to 19,888.25, 29,767.45 and 14,621.87

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Solution

The fourth proportional to 19,888.25, 29,767.45 and 14,621.87 is: 21,885.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,888.25 : 29,767.45 = 14,621.87 : x
  2. Step 2: Convert to fraction form
    19,888.25/29,767.45 = 14,621.87/x
  3. Step 3: Cross multiply
    19,888.25x = 29,767.45 × 14,621.87
  4. Step 4: Simplify right side
    19,888.25x = 435,255,784.13
  5. Step 5: Solve for x
    x = 435,255,784.13/19,888.25
  6. Step 6: Final answer
    x = 21,885.07

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1.5x scale

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.