Home / 28,328.02-39,092.16-15,752.50

Finding the Fourth Proportional to 28,328.02, 39,092.16 and 15,752.50

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Solution

The fourth proportional to 28,328.02, 39,092.16 and 15,752.50 is: 21,738.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,328.02 : 39,092.16 = 15,752.50 : x
  2. Step 2: Convert to fraction form
    28,328.02/39,092.16 = 15,752.50/x
  3. Step 3: Cross multiply
    28,328.02x = 39,092.16 × 15,752.50
  4. Step 4: Simplify right side
    28,328.02x = 615,799,250.40
  5. Step 5: Solve for x
    x = 615,799,250.40/28,328.02
  6. Step 6: Final answer
    x = 21,738.17

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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.