Home / 28,592.79-39,457.58-15,845.93

Finding the Fourth Proportional to 28,592.79, 39,457.58 and 15,845.93

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Solution

The fourth proportional to 28,592.79, 39,457.58 and 15,845.93 is: 21,867.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,592.79 : 39,457.58 = 15,845.93 : x
  2. Step 2: Convert to fraction form
    28,592.79/39,457.58 = 15,845.93/x
  3. Step 3: Cross multiply
    28,592.79x = 39,457.58 × 15,845.93
  4. Step 4: Simplify right side
    28,592.79x = 625,242,070.06
  5. Step 5: Solve for x
    x = 625,242,070.06/28,592.79
  6. Step 6: Final answer
    x = 21,867.12

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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.