Home / 28,703.02-39,610.17-16,127.77

Finding the Fourth Proportional to 28,703.02, 39,610.17 and 16,127.77

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Solution

The fourth proportional to 28,703.02, 39,610.17 and 16,127.77 is: 22,256.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,703.02 : 39,610.17 = 16,127.77 : x
  2. Step 2: Convert to fraction form
    28,703.02/39,610.17 = 16,127.77/x
  3. Step 3: Cross multiply
    28,703.02x = 39,610.17 × 16,127.77
  4. Step 4: Simplify right side
    28,703.02x = 638,823,711.42
  5. Step 5: Solve for x
    x = 638,823,711.42/28,703.02
  6. Step 6: Final answer
    x = 22,256.32

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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.