Home / 38,405.28-53,006.16-22,488.80

Finding the Fourth Proportional to 38,405.28, 53,006.16 and 22,488.80

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Solution

The fourth proportional to 38,405.28, 53,006.16 and 22,488.80 is: 31,038.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,405.28 : 53,006.16 = 22,488.80 : x
  2. Step 2: Convert to fraction form
    38,405.28/53,006.16 = 22,488.80/x
  3. Step 3: Cross multiply
    38,405.28x = 53,006.16 × 22,488.80
  4. Step 4: Simplify right side
    38,405.28x = 1,192,044,931.01
  5. Step 5: Solve for x
    x = 1,192,044,931.01/38,405.28
  6. Step 6: Final answer
    x = 31,038.57

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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.