Home / 28,330.88-42,490.56-26,925.80

Finding the Fourth Proportional to 28,330.88, 42,490.56 and 26,925.80

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Solution

The fourth proportional to 28,330.88, 42,490.56 and 26,925.80 is: 40,383.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,330.88 : 42,490.56 = 26,925.80 : x
  2. Step 2: Convert to fraction form
    28,330.88/42,490.56 = 26,925.80/x
  3. Step 3: Cross multiply
    28,330.88x = 42,490.56 × 26,925.80
  4. Step 4: Simplify right side
    28,330.88x = 1,144,092,320.45
  5. Step 5: Solve for x
    x = 1,144,092,320.45/28,330.88
  6. Step 6: Final answer
    x = 40,383.23

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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.