Home / 25,020.81-34,523.59-14,407.65

Finding the Fourth Proportional to 25,020.81, 34,523.59 and 14,407.65

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Solution

The fourth proportional to 25,020.81, 34,523.59 and 14,407.65 is: 19,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,020.81 : 34,523.59 = 14,407.65 : x
  2. Step 2: Convert to fraction form
    25,020.81/34,523.59 = 14,407.65/x
  3. Step 3: Cross multiply
    25,020.81x = 34,523.59 × 14,407.65
  4. Step 4: Simplify right side
    25,020.81x = 497,403,801.46
  5. Step 5: Solve for x
    x = 497,403,801.46/25,020.81
  6. Step 6: Final answer
    x = 19,879.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.