Home / 20,549.53-30,897.65-18,925.68

Finding the Fourth Proportional to 20,549.53, 30,897.65 and 18,925.68

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Solution

The fourth proportional to 20,549.53, 30,897.65 and 18,925.68 is: 28,456.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549.53 : 30,897.65 = 18,925.68 : x
  2. Step 2: Convert to fraction form
    20,549.53/30,897.65 = 18,925.68/x
  3. Step 3: Cross multiply
    20,549.53x = 30,897.65 × 18,925.68
  4. Step 4: Simplify right side
    20,549.53x = 584,759,036.65
  5. Step 5: Solve for x
    x = 584,759,036.65/20,549.53
  6. Step 6: Final answer
    x = 28,456.08

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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.