Home / 28,502.02-39,332.77-15,926.74

Finding the Fourth Proportional to 28,502.02, 39,332.77 and 15,926.74

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Solution

The fourth proportional to 28,502.02, 39,332.77 and 15,926.74 is: 21,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,502.02 : 39,332.77 = 15,926.74 : x
  2. Step 2: Convert to fraction form
    28,502.02/39,332.77 = 15,926.74/x
  3. Step 3: Cross multiply
    28,502.02x = 39,332.77 × 15,926.74
  4. Step 4: Simplify right side
    28,502.02x = 626,442,801.27
  5. Step 5: Solve for x
    x = 626,442,801.27/28,502.02
  6. Step 6: Final answer
    x = 21,978.89

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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.