Home / 28,030.07-38,657.70-23,685.71

Finding the Fourth Proportional to 28,030.07, 38,657.70 and 23,685.71

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Solution

The fourth proportional to 28,030.07, 38,657.70 and 23,685.71 is: 32,666.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030.07 : 38,657.70 = 23,685.71 : x
  2. Step 2: Convert to fraction form
    28,030.07/38,657.70 = 23,685.71/x
  3. Step 3: Cross multiply
    28,030.07x = 38,657.70 × 23,685.71
  4. Step 4: Simplify right side
    28,030.07x = 915,634,878.18
  5. Step 5: Solve for x
    x = 915,634,878.18/28,030.07
  6. Step 6: Final answer
    x = 32,666.16

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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.