Home / 35,715.83-53,581.23-13,528.71

Finding the Fourth Proportional to 35,715.83, 53,581.23 and 13,528.71

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Solution

The fourth proportional to 35,715.83, 53,581.23 and 13,528.71 is: 20,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,715.83 : 53,581.23 = 13,528.71 : x
  2. Step 2: Convert to fraction form
    35,715.83/53,581.23 = 13,528.71/x
  3. Step 3: Cross multiply
    35,715.83x = 53,581.23 × 13,528.71
  4. Step 4: Simplify right side
    35,715.83x = 724,884,922.11
  5. Step 5: Solve for x
    x = 724,884,922.11/35,715.83
  6. Step 6: Final answer
    x = 20,295.90

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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.