Home / 28,700.27-39,636.64-25,569.45

Finding the Fourth Proportional to 28,700.27, 39,636.64 and 25,569.45

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Solution

The fourth proportional to 28,700.27, 39,636.64 and 25,569.45 is: 35,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700.27 : 39,636.64 = 25,569.45 : x
  2. Step 2: Convert to fraction form
    28,700.27/39,636.64 = 25,569.45/x
  3. Step 3: Cross multiply
    28,700.27x = 39,636.64 × 25,569.45
  4. Step 4: Simplify right side
    28,700.27x = 1,013,487,005.13
  5. Step 5: Solve for x
    x = 1,013,487,005.13/28,700.27
  6. Step 6: Final answer
    x = 35,312.80

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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.