Home / 21,699.84-32,512.57-14,570.72

Finding the Fourth Proportional to 21,699.84, 32,512.57 and 14,570.72

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Solution

The fourth proportional to 21,699.84, 32,512.57 and 14,570.72 is: 21,831.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,699.84 : 32,512.57 = 14,570.72 : x
  2. Step 2: Convert to fraction form
    21,699.84/32,512.57 = 14,570.72/x
  3. Step 3: Cross multiply
    21,699.84x = 32,512.57 × 14,570.72
  4. Step 4: Simplify right side
    21,699.84x = 473,731,553.95
  5. Step 5: Solve for x
    x = 473,731,553.95/21,699.84
  6. Step 6: Final answer
    x = 21,831.11

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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.