Home / 21,527.04-29,701.44-13,565.28

Finding the Fourth Proportional to 21,527.04, 29,701.44 and 13,565.28

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Solution

The fourth proportional to 21,527.04, 29,701.44 and 13,565.28 is: 18,716.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,527.04 : 29,701.44 = 13,565.28 : x
  2. Step 2: Convert to fraction form
    21,527.04/29,701.44 = 13,565.28/x
  3. Step 3: Cross multiply
    21,527.04x = 29,701.44 × 13,565.28
  4. Step 4: Simplify right side
    21,527.04x = 402,908,350.00
  5. Step 5: Solve for x
    x = 402,908,350.00/21,527.04
  6. Step 6: Final answer
    x = 18,716.38

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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.