Home / 28,223.02-38,947.50-15,476.92

Finding the Fourth Proportional to 28,223.02, 38,947.50 and 15,476.92

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Solution

The fourth proportional to 28,223.02, 38,947.50 and 15,476.92 is: 21,358.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,223.02 : 38,947.50 = 15,476.92 : x
  2. Step 2: Convert to fraction form
    28,223.02/38,947.50 = 15,476.92/x
  3. Step 3: Cross multiply
    28,223.02x = 38,947.50 × 15,476.92
  4. Step 4: Simplify right side
    28,223.02x = 602,787,341.70
  5. Step 5: Solve for x
    x = 602,787,341.70/28,223.02
  6. Step 6: Final answer
    x = 21,358.00

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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.