Home / 21,864.80-32,732.40-14,477.60

Finding the Fourth Proportional to 21,864.80, 32,732.40 and 14,477.60

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Solution

The fourth proportional to 21,864.80, 32,732.40 and 14,477.60 is: 21,673.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,864.80 : 32,732.40 = 14,477.60 : x
  2. Step 2: Convert to fraction form
    21,864.80/32,732.40 = 14,477.60/x
  3. Step 3: Cross multiply
    21,864.80x = 32,732.40 × 14,477.60
  4. Step 4: Simplify right side
    21,864.80x = 473,886,594.24
  5. Step 5: Solve for x
    x = 473,886,594.24/21,864.80
  6. Step 6: Final answer
    x = 21,673.49

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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.