Home / 25,877.66-35,707.16-14,545.05

Finding the Fourth Proportional to 25,877.66, 35,707.16 and 14,545.05

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Solution

The fourth proportional to 25,877.66, 35,707.16 and 14,545.05 is: 20,069.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,877.66 : 35,707.16 = 14,545.05 : x
  2. Step 2: Convert to fraction form
    25,877.66/35,707.16 = 14,545.05/x
  3. Step 3: Cross multiply
    25,877.66x = 35,707.16 × 14,545.05
  4. Step 4: Simplify right side
    25,877.66x = 519,362,176.30
  5. Step 5: Solve for x
    x = 519,362,176.30/25,877.66
  6. Step 6: Final answer
    x = 20,069.91

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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.