Home / 28,670.16-39,545.80-17,332.24

Finding the Fourth Proportional to 28,670.16, 39,545.80 and 17,332.24

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Solution

The fourth proportional to 28,670.16, 39,545.80 and 17,332.24 is: 23,906.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,670.16 : 39,545.80 = 17,332.24 : x
  2. Step 2: Convert to fraction form
    28,670.16/39,545.80 = 17,332.24/x
  3. Step 3: Cross multiply
    28,670.16x = 39,545.80 × 17,332.24
  4. Step 4: Simplify right side
    28,670.16x = 685,417,296.59
  5. Step 5: Solve for x
    x = 685,417,296.59/28,670.16
  6. Step 6: Final answer
    x = 23,906.99

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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.