Home / 28,899.95-39,856.01-24,070.71

Finding the Fourth Proportional to 28,899.95, 39,856.01 and 24,070.71

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Solution

The fourth proportional to 28,899.95, 39,856.01 and 24,070.71 is: 33,195.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,899.95 : 39,856.01 = 24,070.71 : x
  2. Step 2: Convert to fraction form
    28,899.95/39,856.01 = 24,070.71/x
  3. Step 3: Cross multiply
    28,899.95x = 39,856.01 × 24,070.71
  4. Step 4: Simplify right side
    28,899.95x = 959,362,443.18
  5. Step 5: Solve for x
    x = 959,362,443.18/28,899.95
  6. Step 6: Final answer
    x = 33,195.99

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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.