Home / 21,688.84-32,562.06-13,901.32

Finding the Fourth Proportional to 21,688.84, 32,562.06 and 13,901.32

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Solution

The fourth proportional to 21,688.84, 32,562.06 and 13,901.32 is: 20,870.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,688.84 : 32,562.06 = 13,901.32 : x
  2. Step 2: Convert to fraction form
    21,688.84/32,562.06 = 13,901.32/x
  3. Step 3: Cross multiply
    21,688.84x = 32,562.06 × 13,901.32
  4. Step 4: Simplify right side
    21,688.84x = 452,655,615.92
  5. Step 5: Solve for x
    x = 452,655,615.92/21,688.84
  6. Step 6: Final answer
    x = 20,870.44

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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.