Home / 20,573.47-30,807.50-14,239.58

Finding the Fourth Proportional to 20,573.47, 30,807.50 and 14,239.58

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Solution

The fourth proportional to 20,573.47, 30,807.50 and 14,239.58 is: 21,322.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,573.47 : 30,807.50 = 14,239.58 : x
  2. Step 2: Convert to fraction form
    20,573.47/30,807.50 = 14,239.58/x
  3. Step 3: Cross multiply
    20,573.47x = 30,807.50 × 14,239.58
  4. Step 4: Simplify right side
    20,573.47x = 438,685,706.81
  5. Step 5: Solve for x
    x = 438,685,706.81/20,573.47
  6. Step 6: Final answer
    x = 21,322.88

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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.