Home / 25,637.37-38,454.30-12,319.89

Finding the Fourth Proportional to 25,637.37, 38,454.30 and 12,319.89

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Solution

The fourth proportional to 25,637.37, 38,454.30 and 12,319.89 is: 18,478.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,637.37 : 38,454.30 = 12,319.89 : x
  2. Step 2: Convert to fraction form
    25,637.37/38,454.30 = 12,319.89/x
  3. Step 3: Cross multiply
    25,637.37x = 38,454.30 × 12,319.89
  4. Step 4: Simplify right side
    25,637.37x = 473,752,746.03
  5. Step 5: Solve for x
    x = 473,752,746.03/25,637.37
  6. Step 6: Final answer
    x = 18,478.99

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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.