Home / 28,330.38-42,489.81-26,925.30

Finding the Fourth Proportional to 28,330.38, 42,489.81 and 26,925.30

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Solution

The fourth proportional to 28,330.38, 42,489.81 and 26,925.30 is: 40,382.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,330.38 : 42,489.81 = 26,925.30 : x
  2. Step 2: Convert to fraction form
    28,330.38/42,489.81 = 26,925.30/x
  3. Step 3: Cross multiply
    28,330.38x = 42,489.81 × 26,925.30
  4. Step 4: Simplify right side
    28,330.38x = 1,144,050,881.19
  5. Step 5: Solve for x
    x = 1,144,050,881.19/28,330.38
  6. Step 6: Final answer
    x = 40,382.48

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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.