Home / 28,995.81-40,026.47-19,577.13

Finding the Fourth Proportional to 28,995.81, 40,026.47 and 19,577.13

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Solution

The fourth proportional to 28,995.81, 40,026.47 and 19,577.13 is: 27,024.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,995.81 : 40,026.47 = 19,577.13 : x
  2. Step 2: Convert to fraction form
    28,995.81/40,026.47 = 19,577.13/x
  3. Step 3: Cross multiply
    28,995.81x = 40,026.47 × 19,577.13
  4. Step 4: Simplify right side
    28,995.81x = 783,603,308.75
  5. Step 5: Solve for x
    x = 783,603,308.75/28,995.81
  6. Step 6: Final answer
    x = 27,024.71

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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.