Home / 21,565.36-29,769.42-14,848.84

Finding the Fourth Proportional to 21,565.36, 29,769.42 and 14,848.84

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Solution

The fourth proportional to 21,565.36, 29,769.42 and 14,848.84 is: 20,497.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,565.36 : 29,769.42 = 14,848.84 : x
  2. Step 2: Convert to fraction form
    21,565.36/29,769.42 = 14,848.84/x
  3. Step 3: Cross multiply
    21,565.36x = 29,769.42 × 14,848.84
  4. Step 4: Simplify right side
    21,565.36x = 442,041,354.47
  5. Step 5: Solve for x
    x = 442,041,354.47/21,565.36
  6. Step 6: Final answer
    x = 20,497.75

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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.