Home / 28,588.79-39,364.46-25,396.55

Finding the Fourth Proportional to 28,588.79, 39,364.46 and 25,396.55

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Solution

The fourth proportional to 28,588.79, 39,364.46 and 25,396.55 is: 34,969.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,588.79 : 39,364.46 = 25,396.55 : x
  2. Step 2: Convert to fraction form
    28,588.79/39,364.46 = 25,396.55/x
  3. Step 3: Cross multiply
    28,588.79x = 39,364.46 × 25,396.55
  4. Step 4: Simplify right side
    28,588.79x = 999,721,152.81
  5. Step 5: Solve for x
    x = 999,721,152.81/28,588.79
  6. Step 6: Final answer
    x = 34,969.00

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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.