Home / 25,590.98-38,368.29-9,782.70

Finding the Fourth Proportional to 25,590.98, 38,368.29 and 9,782.70

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Solution

The fourth proportional to 25,590.98, 38,368.29 and 9,782.70 is: 14,667.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,590.98 : 38,368.29 = 9,782.70 : x
  2. Step 2: Convert to fraction form
    25,590.98/38,368.29 = 9,782.70/x
  3. Step 3: Cross multiply
    25,590.98x = 38,368.29 × 9,782.70
  4. Step 4: Simplify right side
    25,590.98x = 375,345,278.74
  5. Step 5: Solve for x
    x = 375,345,278.74/25,590.98
  6. Step 6: Final answer
    x = 14,667.09

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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.