Home / 25,124.98-37,688.28-12,638.19

Finding the Fourth Proportional to 25,124.98, 37,688.28 and 12,638.19

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Solution

The fourth proportional to 25,124.98, 37,688.28 and 12,638.19 is: 18,957.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,124.98 : 37,688.28 = 12,638.19 : x
  2. Step 2: Convert to fraction form
    25,124.98/37,688.28 = 12,638.19/x
  3. Step 3: Cross multiply
    25,124.98x = 37,688.28 × 12,638.19
  4. Step 4: Simplify right side
    25,124.98x = 476,311,643.41
  5. Step 5: Solve for x
    x = 476,311,643.41/25,124.98
  6. Step 6: Final answer
    x = 18,957.69

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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.