Home / 25,124.04-37,686.10-18,805.50

Finding the Fourth Proportional to 25,124.04, 37,686.10 and 18,805.50

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Solution

The fourth proportional to 25,124.04, 37,686.10 and 18,805.50 is: 28,208.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,124.04 : 37,686.10 = 18,805.50 : x
  2. Step 2: Convert to fraction form
    25,124.04/37,686.10 = 18,805.50/x
  3. Step 3: Cross multiply
    25,124.04x = 37,686.10 × 18,805.50
  4. Step 4: Simplify right side
    25,124.04x = 708,705,953.55
  5. Step 5: Solve for x
    x = 708,705,953.55/25,124.04
  6. Step 6: Final answer
    x = 28,208.28

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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.