Home / 28,767.07-39,710.84-19,341.10

Finding the Fourth Proportional to 28,767.07, 39,710.84 and 19,341.10

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Solution

The fourth proportional to 28,767.07, 39,710.84 and 19,341.10 is: 26,698.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,767.07 : 39,710.84 = 19,341.10 : x
  2. Step 2: Convert to fraction form
    28,767.07/39,710.84 = 19,341.10/x
  3. Step 3: Cross multiply
    28,767.07x = 39,710.84 × 19,341.10
  4. Step 4: Simplify right side
    28,767.07x = 768,051,327.52
  5. Step 5: Solve for x
    x = 768,051,327.52/28,767.07
  6. Step 6: Final answer
    x = 26,698.98

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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.