Home / 25,278.65-37,867.22-12,590.17

Finding the Fourth Proportional to 25,278.65, 37,867.22 and 12,590.17

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Solution

The fourth proportional to 25,278.65, 37,867.22 and 12,590.17 is: 18,859.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278.65 : 37,867.22 = 12,590.17 : x
  2. Step 2: Convert to fraction form
    25,278.65/37,867.22 = 12,590.17/x
  3. Step 3: Cross multiply
    25,278.65x = 37,867.22 × 12,590.17
  4. Step 4: Simplify right side
    25,278.65x = 476,754,547.89
  5. Step 5: Solve for x
    x = 476,754,547.89/25,278.65
  6. Step 6: Final answer
    x = 18,859.97

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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.