Home / 28,320.02-42,477.29-8,598.74

Finding the Fourth Proportional to 28,320.02, 42,477.29 and 8,598.74

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Solution

The fourth proportional to 28,320.02, 42,477.29 and 8,598.74 is: 12,897.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,320.02 : 42,477.29 = 8,598.74 : x
  2. Step 2: Convert to fraction form
    28,320.02/42,477.29 = 8,598.74/x
  3. Step 3: Cross multiply
    28,320.02x = 42,477.29 × 8,598.74
  4. Step 4: Simplify right side
    28,320.02x = 365,251,172.61
  5. Step 5: Solve for x
    x = 365,251,172.61/28,320.02
  6. Step 6: Final answer
    x = 12,897.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.