Home / 28,053.36-38,715.11-16,117.47

Finding the Fourth Proportional to 28,053.36, 38,715.11 and 16,117.47

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Solution

The fourth proportional to 28,053.36, 38,715.11 and 16,117.47 is: 22,242.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,053.36 : 38,715.11 = 16,117.47 : x
  2. Step 2: Convert to fraction form
    28,053.36/38,715.11 = 16,117.47/x
  3. Step 3: Cross multiply
    28,053.36x = 38,715.11 × 16,117.47
  4. Step 4: Simplify right side
    28,053.36x = 623,989,430.40
  5. Step 5: Solve for x
    x = 623,989,430.40/28,053.36
  6. Step 6: Final answer
    x = 22,242.95

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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.